diff --git a/sdk/jme3-core/javahelp/com/jme3/gde/core/docs/core-toc.xml b/sdk/jme3-core/javahelp/com/jme3/gde/core/docs/core-toc.xml
index 75d101ea2..299b17f1e 100644
--- a/sdk/jme3-core/javahelp/com/jme3/gde/core/docs/core-toc.xml
+++ b/sdk/jme3-core/javahelp/com/jme3/gde/core/docs/core-toc.xml
@@ -98,7 +98,7 @@
             <tocitem text="Best Practices" target="jme3.intermediate.best_practices"/>
             <tocitem text="FAQ" target="jme3.faq"/>
             <tocitem text="SimpleApplication" target="jme3.intermediate.simpleapplication"/>
-            <tocitem text="How to Use Materials" target="jme3/intermediate/how_to_use_materials.html"/>
+            <tocitem text="How to Use Materials" target="jme3/intermediate/how_to_use_materials"/>
             <tocitem text="Application Settings" target="jme3.intermediate.appsettings"/>
             <tocitem text="File Types" target="jme3.intermediate.file_types"/>
             <tocitem text="Math in jME3" target="jme3.math"/>