Index: OpenSceneGraph/trunk/include/osgUtil/UpdateVisitor
===================================================================
--- OpenSceneGraph/trunk/include/osgUtil/UpdateVisitor (revision 3432)
+++ OpenSceneGraph/trunk/include/osgUtil/UpdateVisitor (revision 3526)
@@ -33,5 +33,5 @@
 /**
  * Basic UpdateVisitor implementation for animating a scene.
- * This visitor traverses the scene graph, call each nodes appCallback if
+ * This visitor traverses the scene graph, calling each nodes appCallback if
  * it exists. 
  */
@@ -45,4 +45,5 @@
         virtual void reset();
 
+    /** During traversal each type of node calls its callbacks and its children traversed. */
         virtual void apply(osg::Node& node)         { handle_callbacks_and_traverse(node); }
         
@@ -63,8 +64,8 @@
     protected:
 
-//         /** prevent unwanted copy construction.*/
+//         /** Prevent unwanted copy construction.*/
 //         UpdateVisitor(const UpdateVisitor&):osg::NodeVisitor() {}
 
-        /** prevent unwanted copy operator.*/
+        /** Prevent unwanted copy operator.*/
         UpdateVisitor& operator = (const UpdateVisitor&) { return *this; }
         
@@ -80,5 +81,6 @@
             osg::NodeCallback* callback = node.getUpdateCallback();
             if (callback) (*callback)(&node,this);
-            /*else if (node.getNumChildrenRequiringUpdateTraversal()>0)*/ traverseGeode(node);
+            /*else if (node.getNumChildrenRequiringUpdateTraversal()>0)*/ 
+            traverseGeode(node);
         }
         
@@ -87,5 +89,5 @@
             traverse((osg::Node&)geode);
             
-            // call the app callbacks on the drawables.
+            // Call the app callbacks on the drawables.
             for(unsigned int i=0;i<geode.getNumDrawables();++i)
             {