diff --git a/jme3-android-examples/src/main/java/org/jmonkeyengine/jme3androidexamples/MainActivity.java b/jme3-android-examples/src/main/java/org/jmonkeyengine/jme3androidexamples/MainActivity.java
index 7bde9d9c9..83a378ef8 100644
--- a/jme3-android-examples/src/main/java/org/jmonkeyengine/jme3androidexamples/MainActivity.java
+++ b/jme3-android-examples/src/main/java/org/jmonkeyengine/jme3androidexamples/MainActivity.java
@@ -214,7 +214,7 @@ public class MainActivity extends AppCompatActivity implements OnItemClickListen
 
     /**
      * User clicked a view on the screen.  Check for the OK and Cancel buttons
-     * and either start the applicaiton or exit.
+     * and either start the application or exit.
      * @param view
      */
     public void onClick(View view) {
diff --git a/jme3-android/src/main/java/com/jme3/input/android/AndroidSensorJoyInput.java b/jme3-android/src/main/java/com/jme3/input/android/AndroidSensorJoyInput.java
index cdd7e6494..846c9c2df 100644
--- a/jme3-android/src/main/java/com/jme3/input/android/AndroidSensorJoyInput.java
+++ b/jme3-android/src/main/java/com/jme3/input/android/AndroidSensorJoyInput.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -285,8 +285,8 @@ public class AndroidSensorJoyInput implements SensorEventListener {
     }
 
     /**
-     * Calculates the device orientation based off the data recieved from the
-     * Acceleration Sensor and Mangetic Field sensor
+     * Calculates the device orientation based off the data received from the
+     * Acceleration Sensor and Magnetic Field sensor
      * Values are returned relative to the Earth.
      *
      * From the Android Doc
diff --git a/jme3-android/src/main/java/com/jme3/system/android/OGLESContext.java b/jme3-android/src/main/java/com/jme3/system/android/OGLESContext.java
index 508e81065..db185b002 100644
--- a/jme3-android/src/main/java/com/jme3/system/android/OGLESContext.java
+++ b/jme3-android/src/main/java/com/jme3/system/android/OGLESContext.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -136,7 +136,7 @@ public class OGLESContext implements JmeContext, GLSurfaceView.Renderer, SoftTex
         // stops at the setFormat call without a crash.
         // We look at the user setting for alpha bits and set the surfaceview
         // PixelFormat to either Opaque, Transparent, or Translucent.
-        // ConfigChooser will do it's best to honor the alpha requested by the user
+        // ConfigChooser will do its best to honor the alpha requested by the user
         // For best rendering performance, use Opaque (alpha bits = 0).
         int curAlphaBits = settings.getAlphaBits();
         logger.log(Level.FINE, "curAlphaBits: {0}", curAlphaBits);
diff --git a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/constraints/SimulationNode.java b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/constraints/SimulationNode.java
index 711e0a338..279b5311d 100644
--- a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/constraints/SimulationNode.java
+++ b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/constraints/SimulationNode.java
@@ -237,7 +237,7 @@ public class SimulationNode {
                         }
                     }
 
-                    // ... add virtual tracks if neccessary, for bones that were altered but had no tracks before ...
+                    // ... add virtual tracks if necessary, for bones that were altered but had no tracks before ...
                     for (Long boneOMA : alteredOmas) {
                         BoneContext boneContext = blenderContext.getBoneContext(boneOMA);
                         int boneIndex = skeleton.getBoneIndex(boneContext.getBone());
diff --git a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/curves/CurvesTemporalMesh.java b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/curves/CurvesTemporalMesh.java
index 51a5aeb63..2ad8d3ff2 100644
--- a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/curves/CurvesTemporalMesh.java
+++ b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/curves/CurvesTemporalMesh.java
@@ -37,7 +37,7 @@ import com.jme3.util.BufferUtils;
 
 /**
  * A temporal mesh for curves and surfaces. It works in similar way as TemporalMesh for meshes.
- * It prepares all neccessary lines and faces and allows to apply modifiers just like in regular temporal mesh.
+ * It prepares all necessary lines and faces and allows to apply modifiers just like in regular temporal mesh.
  * 
  * @author Marcin Roguski (Kaelthas)
  */
@@ -210,7 +210,7 @@ public class CurvesTemporalMesh extends TemporalMesh {
     }
 
     /**
-     * The method computes the value of a point at the certain relational distance from its beggining.
+     * The method computes the value of a point at the certain relational distance from its beginning.
      * @param alongRatio
      *            the relative distance along the curve; should be a value between 0 and 1 inclusive;
      *            if the value exceeds the boundaries it is truncated to them
@@ -369,7 +369,7 @@ public class CurvesTemporalMesh extends TemporalMesh {
     }
 
     /**
-     * The method loads the bevel object that sould be applied to curve. It can either be another curve or a generated one
+     * The method loads the bevel object that should be applied to curve. It can either be another curve or a generated one
      * based on the bevel generating parameters in blender.
      * @param curveStructure
      *            the structure with the curve's data (the curve being loaded, NOT the bevel curve)
@@ -707,7 +707,7 @@ public class CurvesTemporalMesh extends TemporalMesh {
 
     /**
      * the method applies scale for the given bevel points. The points table is
-     * being modified so expect ypur result there.
+     * being modified so expect your result there.
      * 
      * @param points
      *            the bevel points
@@ -726,7 +726,7 @@ public class CurvesTemporalMesh extends TemporalMesh {
 
     /**
      * A helper class that represents a single bezier line. It consists of Edge's and allows to
-     * get a subline of a lentgh of the line.
+     * get a subline of a length of the line.
      * 
      * @author Marcin Roguski (Kaelthas)
      */
@@ -776,7 +776,7 @@ public class CurvesTemporalMesh extends TemporalMesh {
             }
             if (cyclic) {
                 // if the first vertex is repeated at the end the distance will be = 0 so it won't affect the result, and if it is not repeated
-                // then it is neccessary to add the length between the last and the first vertex
+                // then it is necessary to add the length between the last and the first vertex
                 length += vertices[vertices.length - 1].distance(vertices[0]);
             }
         }
@@ -834,7 +834,7 @@ public class CurvesTemporalMesh extends TemporalMesh {
         }
 
         /**
-         * The method computes the value of a point at the certain relational distance from its beggining.
+         * The method computes the value of a point at the certain relational distance from its beginning.
          * @param alongRatio
          *            the relative distance along the curve; should be a value between 0 and 1 inclusive;
          *            if the value exceeds the boundaries it is truncated to them
diff --git a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/file/DynamicArray.java b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/file/DynamicArray.java
index d6d110054..748757ab0 100644
--- a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/file/DynamicArray.java
+++ b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/file/DynamicArray.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -32,7 +32,7 @@
 package com.jme3.scene.plugins.blender.file;
 
 /**
- * An array that can be dynamically modified/
+ * An array that can be dynamically modified
  * @author Marcin Roguski
  * @param <T>
  *            the type of stored data in the array
@@ -42,7 +42,7 @@ public class DynamicArray<T> implements Cloneable {
     /** An array object that holds the required data. */
     private T[]   array;
     /**
-     * This table holds the sizes of dimetions of the dynamic table. It's length specifies the table dimension or a
+     * This table holds the sizes of dimensions of the dynamic table. Its length specifies the table dimension or a
      * pointer level. For example: if tableSizes.length == 3 then it either specifies a dynamic table of fixed lengths:
      * dynTable[a][b][c], where a,b,c are stored in the tableSizes table.
      */
diff --git a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/file/Structure.java b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/file/Structure.java
index 941c7a8fc..fac6597c5 100644
--- a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/file/Structure.java
+++ b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/file/Structure.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -169,7 +169,7 @@ public class Structure implements Cloneable {
     }
 
     /**
-     * This methos should be used on structures that are of a 'ListBase' type. It creates a List of structures that are
+     * This method should be used on structures that are of a 'ListBase' type. It creates a List of structures that are
      * held by this structure within the blend file.
      * @return a list of filled structures
      * @throws BlenderFileException
@@ -232,7 +232,7 @@ public class Structure implements Cloneable {
     }
 
     /**
-     * This method returns the address of the structure. The strucutre should be filled with data otherwise an exception
+     * This method returns the address of the structure. The structure should be filled with data otherwise an exception
      * is thrown.
      * @return the address of the feature stored in this structure
      */
diff --git a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/materials/MaterialContext.java b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/materials/MaterialContext.java
index a1b6695d8..b8c5925a9 100644
--- a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/materials/MaterialContext.java
+++ b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/materials/MaterialContext.java
@@ -107,7 +107,7 @@ public final class MaterialContext implements Savable {
             boolean transparent = false;
             if (diffuseColor != null) {
                 transparent = diffuseColor.a < 1.0f;
-                if (loadedTextures.size() > 0) {// texutre covers the material color
+                if (loadedTextures.size() > 0) {// texture covers the material color
                     diffuseColor.set(1, 1, 1, 1);
                 }
             }
diff --git a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/math/Vector3d.java b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/math/Vector3d.java
index f2a3c8075..db9b88304 100644
--- a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/math/Vector3d.java
+++ b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/math/Vector3d.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -324,7 +324,7 @@ public final class Vector3d implements Savable, Cloneable, Serializable {
      *            the vector to take the cross product of with this.
      * @param result
      *            the vector to store the cross product result.
-     * @return result, after recieving the cross product vector.
+     * @return result, after receiving the cross product vector.
      */
     public Vector3d cross(Vector3d v, Vector3d result) {
         return this.cross(v.x, v.y, v.z, result);
@@ -342,7 +342,7 @@ public final class Vector3d implements Savable, Cloneable, Serializable {
      *            z component of the vector to take the cross product of with this.
      * @param result
      *            the vector to store the cross product result.
-     * @return result, after recieving the cross product vector.
+     * @return result, after receiving the cross product vector.
      */
     public Vector3d cross(double otherX, double otherY, double otherZ, Vector3d result) {
         if (result == null) {
@@ -485,12 +485,12 @@ public final class Vector3d implements Savable, Cloneable, Serializable {
     }
 
     /**
-     * <code>multLocal</code> multiplies a provided vector to this vector
+     * <code>multLocal</code> multiplies a provided vector by this vector
      * internally, and returns a handle to this vector for easy chaining of
      * calls. If the provided vector is null, null is returned.
      *
      * @param vec
-     *            the vector to mult to this vector.
+     *            the vector to multiply by this vector.
      * @return this
      */
     public Vector3d multLocal(Vector3d vec) {
@@ -522,7 +522,7 @@ public final class Vector3d implements Savable, Cloneable, Serializable {
     }
 
     /**
-     * <code>multLocal</code> multiplies a provided vector to this vector
+     * <code>multLocal</code> multiplies a provided vector by this vector
      * internally, and returns a handle to this vector for easy chaining of
      * calls. If the provided vector is null, null is returned.
      *
@@ -539,7 +539,7 @@ public final class Vector3d implements Savable, Cloneable, Serializable {
     }
 
     /**
-     * <code>multLocal</code> multiplies a provided vector to this vector
+     * <code>multLocal</code> multiplies a provided vector by this vector
      * internally, and returns a handle to this vector for easy chaining of
      * calls. If the provided vector is null, null is returned.
      *
@@ -657,7 +657,7 @@ public final class Vector3d implements Savable, Cloneable, Serializable {
     }
 
     /**
-     * <code>subtractLocal</code> subtracts a provided vector to this vector
+     * <code>subtractLocal</code> subtracts a provided vector from this vector
      * internally, and returns a handle to this vector for easy chaining of
      * calls. If the provided vector is null, null is returned.
      *
@@ -825,7 +825,7 @@ public final class Vector3d implements Savable, Cloneable, Serializable {
 
     /**
      * <code>hashCode</code> returns a unique code for this vector object based
-     * on it's values. If two vectors are logically equivalent, they will return
+     * on its values. If two vectors are logically equivalent, they will return
      * the same hash code value.
      * @return the hash code value of this vector.
      */
diff --git a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/modifiers/SubdivisionSurfaceModifier.java b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/modifiers/SubdivisionSurfaceModifier.java
index 748f2c7f2..402efc3d3 100644
--- a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/modifiers/SubdivisionSurfaceModifier.java
+++ b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/modifiers/SubdivisionSurfaceModifier.java
@@ -47,7 +47,7 @@ public class SubdivisionSurfaceModifier extends Modifier {
     private Set<Integer>        verticesOnOriginalEdges = new HashSet<Integer>();
 
     /**
-     * Constructor loads all neccessary modifier data.
+     * Constructor loads all necessary modifier data.
      * @param modifierStructure
      *            the modifier structure
      * @param blenderContext
@@ -193,7 +193,7 @@ public class SubdivisionSurfaceModifier extends Modifier {
                 // moving the vertex
                 v.addLocal(t);
 
-                // applying crease weight if neccessary
+                // applying crease weight if necessary
                 CreasePoint creasePoint = creasePoints.get(i);
                 if (creasePoint.getTarget() != null && creasePoint.getWeight() != 0) {
                     t = creasePoint.getTarget().subtractLocal(v).multLocal(creasePoint.getWeight());
diff --git a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/textures/TextureHelper.java b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/textures/TextureHelper.java
index 6593226fd..cd146b109 100644
--- a/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/textures/TextureHelper.java
+++ b/jme3-blender/src/main/java/com/jme3/scene/plugins/blender/textures/TextureHelper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -315,7 +315,7 @@ public class TextureHelper extends AbstractBlenderHelper {
      * @param pos
      *            the relative position (value of range <0, 1> (both inclusive))
      * @param size
-     *            the size of the line the pixel lies on (width, heigth or
+     *            the size of the line the pixel lies on (width, height or
      *            depth)
      * @return the integer index of the pixel on the line of the specified width
      */
@@ -434,10 +434,10 @@ public class TextureHelper extends AbstractBlenderHelper {
     }
 
     /**
-     * This method loads the textre from outside the blend file using the
+     * This method loads the texture from outside the blend file using the
      * AssetManager that the blend file was loaded with. It returns a texture
      * with a full assetKey that references the original texture so it later
-     * doesn't need to ba packed when the model data is serialized. It searches
+     * doesn't need to be packed when the model data is serialized. It searches
      * the AssetManager for the full path if the model file is a relative path
      * and will attempt to truncate the path if it is an absolute file path
      * until the path can be found in the AssetManager. If the texture can not
diff --git a/jme3-bullet/src/common/java/com/jme3/bullet/control/KinematicRagdollControl.java b/jme3-bullet/src/common/java/com/jme3/bullet/control/KinematicRagdollControl.java
index 6c25b6662..51749e9ad 100644
--- a/jme3-bullet/src/common/java/com/jme3/bullet/control/KinematicRagdollControl.java
+++ b/jme3-bullet/src/common/java/com/jme3/bullet/control/KinematicRagdollControl.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -73,7 +73,7 @@ import java.util.logging.Logger;
  * use this control you need a model with an AnimControl and a
  * SkeletonControl.<br> This should be the case if you imported an animated
  * model from Ogre or blender.<br> Note enabling/disabling the control
- * add/removes it from the physic space<br> <p> This control creates collision
+ * add/removes it from the physics space<br> <p> This control creates collision
  * shapes for each bones of the skeleton when you call
  * spatial.addControl(ragdollControl). <ul> <li>The shape is HullCollision shape
  * based on the vertices associated with each bone and based on a tweakable
@@ -84,11 +84,11 @@ import java.util.logging.Logger;
  * </ul> </p> <p> There are 2 modes for this control : <ul> <li><strong>The
  * kinematic modes :</strong><br> this is the default behavior, this means that
  * the collision shapes of the body are able to interact with physics enabled
- * objects. in this mode physic shapes follow the moovements of the animated
+ * objects. in this mode physics shapes follow the motion of the animated
  * skeleton (for example animated by a key framed animation) this mode is
  * enabled by calling setKinematicMode(); </li> <li><strong>The ragdoll modes
  * :</strong><br> To enable this behavior, you need to call setRagdollMode()
- * method. In this mode the charater is entirely controled by physics, so it
+ * method. In this mode the character is entirely controlled by physics, so it
  * will fall under the gravity and move if any force is applied to it. </li>
  * </ul> </p>
  *
@@ -201,7 +201,7 @@ public class KinematicRagdollControl extends AbstractPhysicsControl implements P
         if(mode == Mode.IK){
             ikUpdate(tpf);
         } else if (mode == mode.Ragdoll && targetModel.getLocalTranslation().equals(modelPosition)) {
-            //if the ragdoll has the control of the skeleton, we update each bone with its position in physic world space.
+            //if the ragdoll has the control of the skeleton, we update each bone with its position in physics world space.
             ragDollUpdate(tpf);
         } else {
             kinematicUpdate(tpf);
@@ -217,12 +217,12 @@ public class KinematicRagdollControl extends AbstractPhysicsControl implements P
 
             Vector3f position = vars.vect1;
 
-            //retrieving bone position in physic world space
+            //retrieving bone position in physics world space
             Vector3f p = link.rigidBody.getMotionState().getWorldLocation();
             //transforming this position with inverse transforms of the model
             targetModel.getWorldTransform().transformInverseVector(p, position);
 
-            //retrieving bone rotation in physic world space
+            //retrieving bone rotation in physics world space
             Quaternion q = link.rigidBody.getMotionState().getWorldRotationQuat();
 
             //multiplying this rotation by the initialWorld rotation of the bone, 
@@ -264,7 +264,7 @@ public class KinematicRagdollControl extends AbstractPhysicsControl implements P
     }
 
     protected void kinematicUpdate(float tpf) {
-        //the ragdoll does not have the controll, so the keyframed animation updates the physic position of the physic bonces
+        //the ragdoll does not have control, so the keyframed animation updates the physics position of the physics bonces
         TempVars vars = TempVars.get();
         Quaternion tmpRot1 = vars.quat1;
         Quaternion tmpRot2 = vars.quat2;
@@ -420,7 +420,7 @@ public class KinematicRagdollControl extends AbstractPhysicsControl implements P
         targetModel.getWorldRotation().mult(tmpRot1, tmpRot1);
         tmpRot1.normalizeLocal();
 
-        //updating physic location/rotation of the physic bone
+        //updating physics location/rotation of the physics bone
         link.rigidBody.setPhysicsLocation(position);
         link.rigidBody.setPhysicsRotation(tmpRot1);
 
@@ -707,9 +707,9 @@ public class KinematicRagdollControl extends AbstractPhysicsControl implements P
 
     /**
      * Enable or disable the ragdoll behaviour. if ragdollEnabled is true, the
-     * character motion will only be powerd by physics else, the characted will
+     * character motion will only be powered by physics else, the character will
      * be animated by the keyframe animation, but will be able to physically
-     * interact with its physic environnement
+     * interact with its physics environment
      *
      * @param ragdollEnabled
      */
@@ -789,9 +789,9 @@ public class KinematicRagdollControl extends AbstractPhysicsControl implements P
     }
 
     /**
-     * Set the control into Kinematic mode In theis mode, the collision shapes
+     * Set the control into Kinematic mode In this mode, the collision shapes
      * follow the movements of the skeleton, and can interact with physical
-     * environement
+     * environment
      */
     public void setKinematicMode() {
         if (mode != Mode.Kinematic) {
@@ -820,7 +820,7 @@ public class KinematicRagdollControl extends AbstractPhysicsControl implements P
     }
     
     /**
-     * retruns the mode of this control
+     * returns the mode of this control
      *
      * @return
      */
@@ -903,7 +903,7 @@ public class KinematicRagdollControl extends AbstractPhysicsControl implements P
     }
 
     /**
-     * For internal use only specific render for the ragdoll(if debugging)
+     * For internal use only specific render for the ragdoll (if debugging)
      *
      * @param rm
      * @param vp
diff --git a/jme3-bullet/src/common/java/com/jme3/bullet/control/ragdoll/RagdollUtils.java b/jme3-bullet/src/common/java/com/jme3/bullet/control/ragdoll/RagdollUtils.java
index bd162c9d2..d00f7c284 100644
--- a/jme3-bullet/src/common/java/com/jme3/bullet/control/ragdoll/RagdollUtils.java
+++ b/jme3-bullet/src/common/java/com/jme3/bullet/control/ragdoll/RagdollUtils.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -160,7 +160,7 @@ public class RagdollUtils {
         return new HullCollisionShape(p);
     }
 
-    //retruns the list of bone indices of the given bone and its child(if they are not in the boneList)
+    //returns the list of bone indices of the given bone and its child (if they are not in the boneList)
     public static List<Integer> getBoneIndices(Bone bone, Skeleton skeleton, Set<String> boneList) {
         List<Integer> list = new LinkedList<Integer>();
         if (boneList.isEmpty()) {
@@ -266,7 +266,7 @@ public class RagdollUtils {
 
     /**
      * Updates a bone position and rotation.
-     * if the child bones are not in the bone list this means, they are not associated with a physic shape.
+     * if the child bones are not in the bone list this means, they are not associated with a physics shape.
      * So they have to be updated
      * @param bone the bone
      * @param pos the position
diff --git a/jme3-bullet/src/main/java/com/jme3/bullet/joints/HingeJoint.java b/jme3-bullet/src/main/java/com/jme3/bullet/joints/HingeJoint.java
index 2906d7243..352517df7 100644
--- a/jme3-bullet/src/main/java/com/jme3/bullet/joints/HingeJoint.java
+++ b/jme3-bullet/src/main/java/com/jme3/bullet/joints/HingeJoint.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -121,7 +121,7 @@ public class HingeJoint extends PhysicsJoint {
      * @param high the high limit in radians.
      * @param _softness the factor at which the velocity error correction starts operating,i.e a softness of 0.9 means that the vel. corr starts at 90% of the limit range.
      * @param _biasFactor the magnitude of the position correction. It tells you how strictly the position error (drift ) is corrected.
-     * @param _relaxationFactor the rate at which velocity errors are corrected. This can be seen as the strength of the limits. A low value will make the the limits more spongy.
+     * @param _relaxationFactor the rate at which velocity errors are corrected. This can be seen as the strength of the limits. A low value will make the limits more spongy.
      */
     public void setLimit(float low, float high, float _softness, float _biasFactor, float _relaxationFactor) {
         biasFactor = _biasFactor;
diff --git a/jme3-effects/src/main/java/com/jme3/post/filters/FadeFilter.java b/jme3-effects/src/main/java/com/jme3/post/filters/FadeFilter.java
index be7fe46ab..ba8210c30 100644
--- a/jme3-effects/src/main/java/com/jme3/post/filters/FadeFilter.java
+++ b/jme3-effects/src/main/java/com/jme3/post/filters/FadeFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -154,7 +154,7 @@ public class FadeFilter extends Filter {
 
     /**
      * return the current value of the fading
-     * can be used to chack if fade is complete (eg value=1)
+     * can be used to check if fade is complete (eg value=1)
      * @return 
      */
     public float getValue() {
diff --git a/jme3-effects/src/main/java/com/jme3/post/filters/LightScatteringFilter.java b/jme3-effects/src/main/java/com/jme3/post/filters/LightScatteringFilter.java
index 271358454..2a6715891 100644
--- a/jme3-effects/src/main/java/com/jme3/post/filters/LightScatteringFilter.java
+++ b/jme3-effects/src/main/java/com/jme3/post/filters/LightScatteringFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -47,8 +47,8 @@ import com.jme3.renderer.queue.RenderQueue;
 import java.io.IOException;
 
 /**
- * LightScattering filters creates rays comming from a light sources 
- * This is often reffered as god rays.
+ * LightScattering filters create rays coming from light sources 
+ * This is often referred to as god rays.
  *
  * @author Rémy Bouquet aka Nehon
  */
@@ -67,7 +67,7 @@ public class LightScatteringFilter extends Filter {
     private ViewPort viewPort;
 
     /**
-     * creates a lightScaterring filter
+     * creates a lightScatterring filter
      */
     public LightScatteringFilter() {
         super("Light Scattering");
@@ -200,7 +200,7 @@ public class LightScatteringFilter extends Filter {
     }
 
     /**
-     * returns the nmber of samples for the radial blur
+     * returns the number of samples for the radial blur
      * @return 
      */
     public int getNbSamples() {
@@ -209,7 +209,7 @@ public class LightScatteringFilter extends Filter {
 
     /**
      * sets the number of samples for the radial blur default is 50
-     * the higher the value the higher the quality, but the slower the performances.
+     * the higher the value the higher the quality, but the slower the performance.
      * @param nbSamples 
      */
     public void setNbSamples(int nbSamples) {
diff --git a/jme3-effects/src/main/java/com/jme3/post/ssao/SSAOFilter.java b/jme3-effects/src/main/java/com/jme3/post/ssao/SSAOFilter.java
index 3645bfd36..611f9954f 100644
--- a/jme3-effects/src/main/java/com/jme3/post/ssao/SSAOFilter.java
+++ b/jme3-effects/src/main/java/com/jme3/post/ssao/SSAOFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@ import java.util.ArrayList;
 
 /**
  * SSAO stands for screen space ambient occlusion
- * It's a technique that fake ambient lighting by computing shadows that near by objects would casts on each others 
+ * It's a technique that fakes ambient lighting by computing shadows that near by objects would casts on each others 
  * under the effect of an ambient light
  * more info on this in this blog post <a href="http://jmonkeyengine.org/2010/08/16/screen-space-ambient-occlusion-for-jmonkeyengine-3-0/">http://jmonkeyengine.org/2010/08/16/screen-space-ambient-occlusion-for-jmonkeyengine-3-0/</a>
  * 
@@ -207,7 +207,7 @@ public class SSAOFilter extends Filter {
     }
 
     /**
-     * Sets the the width of the occlusion cone considered by the occludee default is 0.1f
+     * Sets the width of the occlusion cone considered by the occludee default is 0.1f
      * @param bias 
      */
     public void setBias(float bias) {
@@ -247,7 +247,7 @@ public class SSAOFilter extends Filter {
     }
 
     /**
-     * Sets the radius of the area where random samples will be picked dafault 5.1f     
+     * Sets the radius of the area where random samples will be picked default 5.1f     
      * @param sampleRadius 
      */
     public void setSampleRadius(float sampleRadius) {
diff --git a/jme3-effects/src/main/java/com/jme3/water/SimpleWaterProcessor.java b/jme3-effects/src/main/java/com/jme3/water/SimpleWaterProcessor.java
index 7f07cd550..36ae8ee60 100644
--- a/jme3-effects/src/main/java/com/jme3/water/SimpleWaterProcessor.java
+++ b/jme3-effects/src/main/java/com/jme3/water/SimpleWaterProcessor.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -50,7 +50,7 @@ import com.jme3.ui.Picture;
  *
  * Simple Water renders a simple plane that use reflection and refraction to look like water.
  * It's pretty basic, but much faster than the WaterFilter
- * It's useful if you aim low specs hardware and still want a good looking water.
+ * It's useful if you aim for low specs hardware and still want a good looking water.
  * Usage is :
  * <code>
  *      SimpleWaterProcessor waterProcessor = new SimpleWaterProcessor(assetManager);
@@ -514,7 +514,7 @@ public class SimpleWaterProcessor implements SceneProcessor {
 
 
     /**
-     * retruns true if the waterprocessor is in debug mode
+     * returns true if the waterprocessor is in debug mode
      * @return
      */
     public boolean isDebug() {
diff --git a/jme3-effects/src/main/java/com/jme3/water/WaterFilter.java b/jme3-effects/src/main/java/com/jme3/water/WaterFilter.java
index a1240d12d..f4f6e3af7 100644
--- a/jme3-effects/src/main/java/com/jme3/water/WaterFilter.java
+++ b/jme3-effects/src/main/java/com/jme3/water/WaterFilter.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -864,7 +864,7 @@ public class WaterFilter extends Filter implements JmeCloneable, Cloneable {
     }
 
     /**
-     * Sets the shinines factor of the water
+     * Sets the shininess factor of the water
      * default is 0.7f
      * @param shininess
      */
@@ -876,7 +876,7 @@ public class WaterFilter extends Filter implements JmeCloneable, Cloneable {
     }
 
     /**
-     * retruns the speed of the waves
+     * returns the speed of the waves
      * @return
      */
     public float getSpeed() {
diff --git a/jme3-examples/src/main/java/jme3test/bullet/PhysicsTestHelper.java b/jme3-examples/src/main/java/jme3test/bullet/PhysicsTestHelper.java
index bb057606e..531331d13 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/PhysicsTestHelper.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/PhysicsTestHelper.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -206,7 +206,7 @@ public class PhysicsTestHelper {
     }
 
     /**
-     * creates the necessary inputlistener and action to shoot balls from teh camera
+     * creates the necessary inputlistener and action to shoot balls from the camera
      * @param app
      * @param rootNode
      * @param space
diff --git a/jme3-examples/src/main/java/jme3test/bullet/TestKinematicAddToPhysicsSpaceIssue.java b/jme3-examples/src/main/java/jme3test/bullet/TestKinematicAddToPhysicsSpaceIssue.java
index e63cd03e5..84bf607a4 100644
--- a/jme3-examples/src/main/java/jme3test/bullet/TestKinematicAddToPhysicsSpaceIssue.java
+++ b/jme3-examples/src/main/java/jme3test/bullet/TestKinematicAddToPhysicsSpaceIssue.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -66,9 +66,9 @@ public class TestKinematicAddToPhysicsSpaceIssue extends SimpleApplication {
         physicsSphere.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(3, 6, 0));
         rootNode.attachChild(physicsSphere);
 
-        //Setting the rigidBody to kinematic before adding it to the physic space
+        //Setting the rigidBody to kinematic before adding it to the physics space
         physicsSphere.getControl(RigidBodyControl.class).setKinematic(true);
-        //adding it to the physic space
+        //adding it to the physics space
         getPhysicsSpace().add(physicsSphere);
         //Making it not kinematic again, it should fall under gravity, it doesn't
         physicsSphere.getControl(RigidBodyControl.class).setKinematic(false);
@@ -78,7 +78,7 @@ public class TestKinematicAddToPhysicsSpaceIssue extends SimpleApplication {
         physicsSphere2.getControl(RigidBodyControl.class).setPhysicsLocation(new Vector3f(5, 6, 0));
         rootNode.attachChild(physicsSphere2);
 
-        //Adding the rigid body to physic space
+        //Adding the rigid body to physics space
         getPhysicsSpace().add(physicsSphere2);
         //making it kinematic
         physicsSphere2.getControl(RigidBodyControl.class).setKinematic(false);
diff --git a/jme3-examples/src/main/java/jme3test/input/TestChaseCamera.java b/jme3-examples/src/main/java/jme3test/input/TestChaseCamera.java
index b6041a519..d933f9638 100644
--- a/jme3-examples/src/main/java/jme3test/input/TestChaseCamera.java
+++ b/jme3-examples/src/main/java/jme3test/input/TestChaseCamera.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -97,7 +97,7 @@ public class TestChaseCamera extends SimpleApplication implements AnalogListener
     //WARNING : setting this trigger disable the rotation on right and left mouse button click
     //chaseCam.setToggleRotationTrigger(new MouseButtonTrigger(MouseInput.BUTTON_MIDDLE));
 
-    //Uncomment this to set mutiple triggers to enable rotation of the cam
+    //Uncomment this to set multiple triggers to enable rotation of the cam
     //Here spade bar and middle mouse button
     //chaseCam.setToggleRotationTrigger(new MouseButtonTrigger(MouseInput.BUTTON_MIDDLE),new KeyTrigger(KeyInput.KEY_SPACE));
 
diff --git a/jme3-examples/src/main/java/jme3test/input/TestChaseCameraAppState.java b/jme3-examples/src/main/java/jme3test/input/TestChaseCameraAppState.java
index a3db00ff2..00d6dd81a 100644
--- a/jme3-examples/src/main/java/jme3test/input/TestChaseCameraAppState.java
+++ b/jme3-examples/src/main/java/jme3test/input/TestChaseCameraAppState.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -90,7 +90,7 @@ public class TestChaseCameraAppState extends SimpleApplication implements Analog
     //WARNING : setting this trigger disable the rotation on right and left mouse button click
     //chaseCamAS.setToggleRotationTrigger(new MouseButtonTrigger(MouseInput.BUTTON_MIDDLE));
 
-    //Uncomment this to set mutiple triggers to enable rotation of the cam
+    //Uncomment this to set multiple triggers to enable rotation of the cam
     //Here space bar and middle mouse button
     //chaseCamAS.setToggleRotationTrigger(new MouseButtonTrigger(MouseInput.BUTTON_MIDDLE),new KeyTrigger(KeyInput.KEY_SPACE));
 
diff --git a/jme3-examples/src/main/java/jme3test/model/anim/TestAnimationFactory.java b/jme3-examples/src/main/java/jme3test/model/anim/TestAnimationFactory.java
index 55768517c..dfd249711 100644
--- a/jme3-examples/src/main/java/jme3test/model/anim/TestAnimationFactory.java
+++ b/jme3-examples/src/main/java/jme3test/model/anim/TestAnimationFactory.java
@@ -52,14 +52,14 @@ public class TestAnimationFactory extends SimpleApplication {
         
         //creating a translation keyFrame at time = 3 with a translation on the x axis of 5 WU        
         animationFactory.addTimeTranslation(3, new Vector3f(5, 0, 0));
-        //reseting the translation to the start position at time = 6
+        //resetting the translation to the start position at time = 6
         animationFactory.addTimeTranslation(6, new Vector3f(0, 0, 0));
 
         //Creating a scale keyFrame at time = 2 with the unit scale.
         animationFactory.addTimeScale(2, new Vector3f(1, 1, 1));
         //Creating a scale keyFrame at time = 4 scaling to 1.5
         animationFactory.addTimeScale(4, new Vector3f(1.5f, 1.5f, 1.5f));
-        //reseting the scale to the start value at time = 5
+        //resetting the scale to the start value at time = 5
         animationFactory.addTimeScale(5, new Vector3f(1, 1, 1));
 
         
diff --git a/jme3-examples/src/main/java/jme3test/network/TestLatency.java b/jme3-examples/src/main/java/jme3test/network/TestLatency.java
index 6f49a003b..c47ae0556 100644
--- a/jme3-examples/src/main/java/jme3test/network/TestLatency.java
+++ b/jme3-examples/src/main/java/jme3test/network/TestLatency.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -85,7 +85,7 @@ public class TestLatency {
                 long curTime = getTime();
                 //System.out.println("Time sent: " + timeMsg.timeSent);
                 //System.out.println("Time received by server: " + timeMsg.timeReceived);
-                //System.out.println("Time recieved by client: " + curTime);
+                //System.out.println("Time received by client: " + curTime);
 
                 long latency = (curTime - timeMsg.timeSent);
                 System.out.println("Latency: " + (latency) + " ms");
diff --git a/jme3-examples/src/main/java/jme3test/terrain/TerrainTest.java b/jme3-examples/src/main/java/jme3test/terrain/TerrainTest.java
index 7eff18b8f..5da9d9d2b 100644
--- a/jme3-examples/src/main/java/jme3test/terrain/TerrainTest.java
+++ b/jme3-examples/src/main/java/jme3test/terrain/TerrainTest.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -53,7 +53,7 @@ import com.jme3.texture.Texture.WrapMode;
 /**
  * Demonstrates how to use terrain.
  * The base terrain class it uses is TerrainQuad, which is a quad tree of actual
- * meshes called TerainPatches.
+ * meshes called TerrainPatches.
  * There are a couple options for the terrain in this test:
  * The first is wireframe mode. Here you can see the underlying trianglestrip structure.
  * You will notice some off lines; these are degenerate triangles and are part of the
@@ -203,7 +203,7 @@ public class TerrainTest extends SimpleApplication {
                     matRock.setBoolean("useTriPlanarMapping", true);
                     // planar textures don't use the mesh's texture coordinates but real world coordinates,
                     // so we need to convert these texture coordinate scales into real world scales so it looks
-                    // the same when we switch to/from tr-planar mode
+                    // the same when we switch to/from tri-planar mode
                     matRock.setFloat("Tex1Scale", 1f / (float) (512f / grassScale));
                     matRock.setFloat("Tex2Scale", 1f / (float) (512f / dirtScale));
                     matRock.setFloat("Tex3Scale", 1f / (float) (512f / rockScale));
diff --git a/jme3-examples/src/main/java/jme3test/tools/TestSaveGame.java b/jme3-examples/src/main/java/jme3test/tools/TestSaveGame.java
index d9ef51db1..8e90d181a 100644
--- a/jme3-examples/src/main/java/jme3test/tools/TestSaveGame.java
+++ b/jme3-examples/src/main/java/jme3test/tools/TestSaveGame.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -62,7 +62,7 @@ public class TestSaveGame extends SimpleApplication {
         Spatial model = (Spatial) assetManager.loadModel("Models/Oto/Oto.mesh.xml");
         myPlayer.attachChild(model);
 
-        //before saving the game, the model should be detached so its not saved along with the node
+        //before saving the game, the model should be detached so it's not saved along with the node
         myPlayer.detachAllChildren();
         SaveGame.saveGame("mycompany/mygame", "savegame_001", myPlayer);
 
diff --git a/jme3-jbullet/src/main/java/com/jme3/bullet/joints/HingeJoint.java b/jme3-jbullet/src/main/java/com/jme3/bullet/joints/HingeJoint.java
index 96dea1d72..b25f762a4 100644
--- a/jme3-jbullet/src/main/java/com/jme3/bullet/joints/HingeJoint.java
+++ b/jme3-jbullet/src/main/java/com/jme3/bullet/joints/HingeJoint.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -99,7 +99,7 @@ public class HingeJoint extends PhysicsJoint {
      * @param high the high limit in radians.
      * @param _softness the factor at which the velocity error correction starts operating,i.e a softness of 0.9 means that the vel. corr starts at 90% of the limit range.
      * @param _biasFactor the magnitude of the position correction. It tells you how strictly the position error (drift ) is corrected.
-     * @param _relaxationFactor the rate at which velocity errors are corrected. This can be seen as the strength of the limits. A low value will make the the limits more spongy.
+     * @param _relaxationFactor the rate at which velocity errors are corrected. This can be seen as the strength of the limits. A low value will make the limits more spongy.
      */
     public void setLimit(float low, float high, float _softness, float _biasFactor, float _relaxationFactor) {
         biasFactor = _biasFactor;
diff --git a/jme3-jogl/src/main/java/com/jme3/renderer/jogl/TextureUtil.java b/jme3-jogl/src/main/java/com/jme3/renderer/jogl/TextureUtil.java
index 8f3c5b156..17bf21bfd 100644
--- a/jme3-jogl/src/main/java/com/jme3/renderer/jogl/TextureUtil.java
+++ b/jme3-jogl/src/main/java/com/jme3/renderer/jogl/TextureUtil.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -294,7 +294,7 @@ public class TextureUtil {
 
         int[] mipSizes = image.getMipMapSizes();
         int pos = 0;
-        // TODO: Remove unneccessary allocation
+        // TODO: Remove unnecessary allocation
         if (mipSizes == null){
             if (data != null)
                 mipSizes = new int[]{ data.capacity() };
@@ -473,7 +473,7 @@ public class TextureUtil {
       int[] mipSizes = image.getMipMapSizes();
       int pos = 0;
 
-      // TODO: Remove unneccessary allocation
+      // TODO: Remove unnecessary allocation
       if (mipSizes == null){
         if (data != null) {
           mipSizes = new int[]{ data.capacity() };
diff --git a/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglAbstractDisplay.java b/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglAbstractDisplay.java
index 802b12a0f..e019008f2 100644
--- a/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglAbstractDisplay.java
+++ b/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglAbstractDisplay.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -66,13 +66,13 @@ public abstract class LwjglAbstractDisplay extends LwjglContext implements Runna
     public abstract Type getType();
 
     /**
-     * Set the title if its a windowed display
+     * Set the title if it's a windowed display
      * @param title
      */
     public abstract void setTitle(String title);
 
     /**
-     * Restart if its a windowed or full-screen display.
+     * Restart if it's a windowed or full-screen display.
      */
     public abstract void restart();
 
diff --git a/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglSmoothingTimer.java b/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglSmoothingTimer.java
index bd2e275ed..213d472c5 100644
--- a/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglSmoothingTimer.java
+++ b/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglSmoothingTimer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -76,7 +76,7 @@ public class LwjglSmoothingTimer extends Timer {
 
     /**
      * Constructor builds a <code>Timer</code> object. All values will be
-     * initialized to it's default values.
+     * initialized to its default values.
      */
     public LwjglSmoothingTimer() {
         reset();
@@ -144,7 +144,7 @@ public class LwjglSmoothingTimer extends Timer {
         if ( oldTime == -1 ) {
             // For the first frame use 60 fps. This value will not be counted in further averages.
             // This is done so initialization code between creating the timer and the first
-            // frame is not counted as a single frame on it's own.
+            // frame is not counted as a single frame on its own.
             lastTPF = 1 / 60f;
             lastFPS = 1f / lastTPF;
             return;
diff --git a/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglTimer.java b/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglTimer.java
index 6adf03323..fb69a5550 100644
--- a/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglTimer.java
+++ b/jme3-lwjgl/src/main/java/com/jme3/system/lwjgl/LwjglTimer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -63,7 +63,7 @@ public class LwjglTimer extends Timer {
 
     /**
      * Constructor builds a <code>Timer</code> object. All values will be
-     * initialized to it's default values.
+     * initialized to its default values.
      */
     public LwjglTimer() {
         reset();
diff --git a/jme3-lwjgl3/src/main/java/com/jme3/system/lwjgl/LwjglWindow.java b/jme3-lwjgl3/src/main/java/com/jme3/system/lwjgl/LwjglWindow.java
index 24c6b3fd9..27612a991 100644
--- a/jme3-lwjgl3/src/main/java/com/jme3/system/lwjgl/LwjglWindow.java
+++ b/jme3-lwjgl3/src/main/java/com/jme3/system/lwjgl/LwjglWindow.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -101,7 +101,7 @@ public abstract class LwjglWindow extends LwjglContext implements Runnable {
     }
 
     /**
-     * Set the title if its a windowed display
+     * Set the title if it's a windowed display
      *
      * @param title the title to set
      */
@@ -112,7 +112,7 @@ public abstract class LwjglWindow extends LwjglContext implements Runnable {
     }
 
     /**
-     * Restart if its a windowed or full-screen display.
+     * Restart if it's a windowed or full-screen display.
      */
     public void restart() {
         if (created.get()) {
diff --git a/jme3-networking/src/main/java/com/jme3/network/base/NioKernelFactory.java b/jme3-networking/src/main/java/com/jme3/network/base/NioKernelFactory.java
index 1f44fed0a..024c4d009 100644
--- a/jme3-networking/src/main/java/com/jme3/network/base/NioKernelFactory.java
+++ b/jme3-networking/src/main/java/com/jme3/network/base/NioKernelFactory.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -37,7 +37,7 @@ import java.io.IOException;
 
 
 /**
- *  KernelFactory implemention for creating TCP kernels
+ *  KernelFactory implementation for creating TCP kernels
  *  using the NIO selector model.
  *
  *  @version   $Revision$
diff --git a/jme3-networking/src/main/java/com/jme3/network/service/rmi/RmiHostedService.java b/jme3-networking/src/main/java/com/jme3/network/service/rmi/RmiHostedService.java
index ebd0e5908..00110a661 100644
--- a/jme3-networking/src/main/java/com/jme3/network/service/rmi/RmiHostedService.java
+++ b/jme3-networking/src/main/java/com/jme3/network/service/rmi/RmiHostedService.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 jMonkeyEngine
+ * Copyright (c) 2015-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -167,7 +167,7 @@ public class RmiHostedService extends AbstractHostedService {
     }
 
     /**
-     *  Returns the RMI registry for the specific HostedConection.  Each connection
+     *  Returns the RMI registry for the specific HostedConnection.  Each connection
      *  has its own registry with its own connection-specific shared objects.
      */
     public RmiRegistry getRmiRegistry( HostedConnection hc ) {
diff --git a/jme3-networking/src/main/java/com/jme3/network/util/AbstractMessageDelegator.java b/jme3-networking/src/main/java/com/jme3/network/util/AbstractMessageDelegator.java
index a73496ea8..f8b1be2f5 100644
--- a/jme3-networking/src/main/java/com/jme3/network/util/AbstractMessageDelegator.java
+++ b/jme3-networking/src/main/java/com/jme3/network/util/AbstractMessageDelegator.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015 jMonkeyEngine
+ * Copyright (c) 2015-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -90,7 +90,7 @@ public abstract class AbstractMessageDelegator<S extends MessageConnection>
     /**
      *  Returns true if the specified method is valid for the specified
      *  message type.  This is used internally during automapping to
-     *  provide implementation specific filting of methods.
+     *  provide implementation specific filtering of methods.
      *  This implementation checks for methods that take either the connection and message 
      *  type arguments (in that order) or just the message type.
      */
@@ -129,7 +129,7 @@ public abstract class AbstractMessageDelegator<S extends MessageConnection>
  
     /**
      *  Convenience method that returns the message type as
-     *  reflecively determined for a particular method.  This
+     *  reflectively determined for a particular method.  This
      *  only works with methods that actually have arguments.
      *  This implementation returns the last element of the method's
      *  getParameterTypes() array, thus supporting both 
@@ -167,7 +167,7 @@ public abstract class AbstractMessageDelegator<S extends MessageConnection>
     /**
      *  Returns true if the specified method name is allowed.
      *  This is used by automapping to determine if a method
-     *  should be rejected purely on name.  Default implemention
+     *  should be rejected purely on name.  Default implementation
      *  always returns true.
      */
     protected boolean allowName( String name ) {
diff --git a/jme3-niftygui/src/main/java/com/jme3/niftygui/NiftyJmeDisplay.java b/jme3-niftygui/src/main/java/com/jme3/niftygui/NiftyJmeDisplay.java
index 4f6d6de7b..8c9102ff0 100644
--- a/jme3-niftygui/src/main/java/com/jme3/niftygui/NiftyJmeDisplay.java
+++ b/jme3-niftygui/src/main/java/com/jme3/niftygui/NiftyJmeDisplay.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -167,7 +167,7 @@ public class NiftyJmeDisplay implements SceneProcessor {
      *
      * Currently you have to make sure to not use more image space than this single texture provides. However, Nifty
      * tries to be smart about this and internally will make sure that only the images are uploaded that your GUI
-     * really needs. So in general this shoudln't be an issue.
+     * really needs. So in general this shouldn't be an issue.
      *
      * A complete re-organisation of the texture atlas happens when a Nifty screen ends and another begins. Dynamically
      * adding images while a screen is running is supported as well.
diff --git a/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/MaterialAdapter.java b/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/MaterialAdapter.java
index 6662a4200..602ad961f 100644
--- a/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/MaterialAdapter.java
+++ b/jme3-plugins/src/gltf/java/com/jme3/scene/plugins/gltf/MaterialAdapter.java
@@ -13,7 +13,7 @@ import java.util.Map;
 
 /**
  * A MaterialAdapter allows to map a GLTF material to a JME material.
- * It maps each gltf parameter to it's matching parameter in the JME material,
+ * It maps each gltf parameter to its matching parameter in the JME material,
  * and allows for some conversion if the JME material model doesn't exactly match the gltf material model
  * Created by Nehon on 08/08/2017.
  */
diff --git a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MaterialLoader.java b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MaterialLoader.java
index c40437bbc..ed11ddd25 100644
--- a/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MaterialLoader.java
+++ b/jme3-plugins/src/ogre/java/com/jme3/scene/plugins/ogre/MaterialLoader.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -144,7 +144,7 @@ public class MaterialLoader implements AssetLoader {
             textures[texUnit].setAnisotropicFilter(loadedTexture.getAnisotropicFilter());
             textures[texUnit].setKey(loadedTexture.getKey());
             
-            // XXX: Is this really neccessary?
+            // XXX: Is this really necessary?
             textures[texUnit].setWrap(WrapMode.Repeat);
             if (texName != null){
                 textures[texUnit].setName(texName);
diff --git a/jme3-terrain/src/main/java/com/jme3/terrain/GeoMap.java b/jme3-terrain/src/main/java/com/jme3/terrain/GeoMap.java
index efa823c66..a6774400a 100644
--- a/jme3-terrain/src/main/java/com/jme3/terrain/GeoMap.java
+++ b/jme3-terrain/src/main/java/com/jme3/terrain/GeoMap.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -127,7 +127,7 @@ public class GeoMap implements Savable {
      * If false, then the data is unavailable- must be loaded with load()
      * before the methods getHeight/getNormal can be used
      *
-     * @return wether the geomap data is loaded in system memory
+     * @return whether the geomap data is loaded in system memory
      */
     public boolean isLoaded() {
         return true;
diff --git a/jme3-terrain/src/main/java/com/jme3/terrain/Terrain.java b/jme3-terrain/src/main/java/com/jme3/terrain/Terrain.java
index d96bb1340..fefba99bc 100644
--- a/jme3-terrain/src/main/java/com/jme3/terrain/Terrain.java
+++ b/jme3-terrain/src/main/java/com/jme3/terrain/Terrain.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -87,7 +87,7 @@ public interface Terrain {
      * Each xz coordinate entry matches to a height entry, 1 for 1. So the 
      * first coordinate matches to the first height value, the last to the 
      * last etc.
-     * @param xz a list of coordinates where the hight will be set
+     * @param xz a list of coordinates where the height will be set
      * @param height the heights that match the xz coordinates
      */
     public void setHeight(List<Vector2f> xz, List<Float> height);
@@ -104,7 +104,7 @@ public interface Terrain {
      * Each xz coordinate entry matches to a height entry, 1 for 1. So the
      * first coordinate matches to the first height value, the last to the
      * last etc.
-     * @param xz a list of coordinates where the hight will be adjusted
+     * @param xz a list of coordinates where the height will be adjusted
      * @param height +- value to adjust the height by, that matches the xz coordinates
      */
     public void adjustHeight(List<Vector2f> xz, List<Float> height);
diff --git a/jme3-terrain/src/main/java/com/jme3/terrain/geomipmap/TerrainPatch.java b/jme3-terrain/src/main/java/com/jme3/terrain/geomipmap/TerrainPatch.java
index 626eb4fd5..eb3263960 100644
--- a/jme3-terrain/src/main/java/com/jme3/terrain/geomipmap/TerrainPatch.java
+++ b/jme3-terrain/src/main/java/com/jme3/terrain/geomipmap/TerrainPatch.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -74,7 +74,7 @@ import java.util.List;
  * is a mathematical limit on the number of times the 'size' of the patch can be divided by two. However there is a -1 to that
  * for now until I add in a custom index buffer calculation for that max level, the current algorithm does not go that far.
  *
- * You can supply a LodThresholdCalculator for use in determining when the LOD should change. It's API will no doubt change
+ * You can supply a LodThresholdCalculator for use in determining when the LOD should change. Its API will no doubt change
  * in the near future. Right now it defaults to just changing LOD every two patch sizes. So if a patch has a size of 65,
  * then the LOD changes every 130 units away.
  *
@@ -86,7 +86,7 @@ public class TerrainPatch extends Geometry {
     protected int lod = 0; // this terrain patch's LOD
     private int maxLod = -1;
     protected int previousLod = -1;
-    protected int lodLeft, lodTop, lodRight, lodBottom; // it's neighbour's LODs
+    protected int lodLeft, lodTop, lodRight, lodBottom; // its neighbour's LODs
 
     protected int size;
 
diff --git a/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/CombinerHeightMap.java b/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/CombinerHeightMap.java
index 283f14974..e36dd03a6 100644
--- a/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/CombinerHeightMap.java
+++ b/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/CombinerHeightMap.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -36,7 +36,7 @@ import java.util.logging.Logger;
 /**
  * <code>CombinerHeightMap</code> generates a new height map based on
  * two provided height maps. These had maps can either be added together
- * or substracted from each other. Each heightmap has a weight to
+ * or subtracted from each other. Each heightmap has a weight to
  * determine how much one will affect the other. By default it is set to
  * 0.5, 0.5 and meaning the two heightmaps are averaged evenly. This
  * value can be adjusted at will, as long as the two factors are equal
diff --git a/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/FaultHeightMap.java b/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/FaultHeightMap.java
index 2518eb897..5bef6a912 100644
--- a/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/FaultHeightMap.java
+++ b/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/FaultHeightMap.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -240,7 +240,7 @@ public class FaultHeightMap extends AbstractHeightMap {
                 return val;
             }
         }
-        //shoudn't go here
+        //shouldn't go here
         throw new RuntimeException("Code needs update to switch allcases");
     }
 
diff --git a/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/Namer.java b/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/Namer.java
index cfd9d6755..a260d7b65 100644
--- a/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/Namer.java
+++ b/jme3-terrain/src/main/java/com/jme3/terrain/heightmap/Namer.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009-2012 jMonkeyEngine
+ * Copyright (c) 2009-2018 jMonkeyEngine
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -38,7 +38,7 @@ package com.jme3.terrain.heightmap;
 public interface Namer {
 
     /**
-     * Gets a name for a heightmap tile given it's cell id
+     * Gets a name for a heightmap tile given its cell id
      * @param x
      * @param y
      * @return
diff --git a/jme3-terrain/src/main/java/com/jme3/terrain/noise/filter/HydraulicErodeFilter.java b/jme3-terrain/src/main/java/com/jme3/terrain/noise/filter/HydraulicErodeFilter.java
index db0580f63..ec23d21eb 100644
--- a/jme3-terrain/src/main/java/com/jme3/terrain/noise/filter/HydraulicErodeFilter.java
+++ b/jme3-terrain/src/main/java/com/jme3/terrain/noise/filter/HydraulicErodeFilter.java
@@ -1,5 +1,5 @@
 /**
- * Copyright (c) 2011, Novyon Events
+ * Copyright (c) 2011-2018, Novyon Events
  * 
  * All rights reserved.
  * 
@@ -100,7 +100,7 @@ public class HydraulicErodeFilter extends AbstractFilter {
 					}
 				}
 
-				// step 3. water is transported to it's neighbours
+				// step 3. water is transported to its neighbours
 				float a = ga[idx] + wt[idx];
 				// float[] aj = new float[idxrel.length];
 				float amax = 0;