diff --git a/jme3-core/src/main/java/com/jme3/renderer/Caps.java b/jme3-core/src/main/java/com/jme3/renderer/Caps.java
index 91a54c1e6..d8e73a36e 100644
--- a/jme3-core/src/main/java/com/jme3/renderer/Caps.java
+++ b/jme3-core/src/main/java/com/jme3/renderer/Caps.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
@@ -224,7 +224,7 @@ public enum Caps {
      */
     GeometryShader,
     /**
-     * Supports Tesselation shader
+     * Supports Tessellation shader
      */
     TesselationShader,
     /**
diff --git a/jme3-core/src/main/java/com/jme3/scene/Mesh.java b/jme3-core/src/main/java/com/jme3/scene/Mesh.java
index ebf1ac808..e07c2cfa2 100644
--- a/jme3-core/src/main/java/com/jme3/scene/Mesh.java
+++ b/jme3-core/src/main/java/com/jme3/scene/Mesh.java
@@ -139,8 +139,8 @@ public class Mesh implements Savable, Cloneable, JmeCloneable {
          */
         Hybrid(false),
         /**
-         * Used for Tesselation only. Requires to set the number of vertices
-         * for each patch (default is 3 for triangle tesselation)
+         * Used for Tessellation only. Requires to set the number of vertices
+         * for each patch (default is 3 for triangle tessellation)
          */
         Patch(true);
         private boolean listMode = false;
@@ -182,7 +182,7 @@ public class Mesh implements Savable, Cloneable, JmeCloneable {
     private int vertCount = -1;
     private int elementCount = -1;
     private int instanceCount = -1;
-    private int patchVertexCount=3; //only used for tesselation
+    private int patchVertexCount=3; //only used for tessellation
     private int maxNumWeights = -1; // only if using skeletal animation
 
     private int[] elementLengths;
diff --git a/jme3-core/src/main/java/com/jme3/shader/Shader.java b/jme3-core/src/main/java/com/jme3/shader/Shader.java
index 9d0772913..887edea8a 100644
--- a/jme3-core/src/main/java/com/jme3/shader/Shader.java
+++ b/jme3-core/src/main/java/com/jme3/shader/Shader.java
@@ -83,12 +83,12 @@ public final class Shader extends NativeObject {
          */
         Geometry("geom"),
         /**
-         * Controls tesselation factor (e.g how often a input patch should be
+         * Controls tessellation factor (e.g how often a input patch should be
          * subdivided)
          */
         TessellationControl("tsctrl"),
         /**
-         * Controls tesselation transform (e.g similar to the vertex shader, but
+         * Controls tessellation transform (e.g similar to the vertex shader, but
          * required to mix inputs manual)
          */
         TessellationEvaluation("tseval");
@@ -127,7 +127,7 @@ public final class Shader extends NativeObject {
         protected ShaderSource(ShaderSource ss){
             super(ss.id);
             // No data needs to be copied.
-            // (This is a destructable clone)
+            // (This is a destructible clone)
         }
 
         public ShaderSource(){
@@ -227,7 +227,7 @@ public final class Shader extends NativeObject {
     }
 
     /**
-     * Do not use this constructor. Used for destructable clones only.
+     * Do not use this constructor. Used for destructible clones only.
      */
     protected Shader(Shader s){
         super(s.id);
diff --git a/jme3-core/src/main/java/com/jme3/util/NativeObjectManager.java b/jme3-core/src/main/java/com/jme3/util/NativeObjectManager.java
index 9df5853ca..cea15e9ed 100644
--- a/jme3-core/src/main/java/com/jme3/util/NativeObjectManager.java
+++ b/jme3-core/src/main/java/com/jme3/util/NativeObjectManager.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
@@ -158,7 +158,7 @@ public class NativeObjectManager {
         }
         if (deleteBufs && UNSAFE && realObj != null) {
             // Only the real object has native buffers. 
-            // The destructable clone has nothing and cannot be used in this case.
+            // The destructible clone has nothing and cannot be used in this case.
             realObj.deleteNativeBuffersInternal();
         }
     }