diff --git a/include/osg/MatrixTransform b/include/osg/MatrixTransform
index 310e0acba..a0e94b16c 100644
--- a/include/osg/MatrixTransform
+++ b/include/osg/MatrixTransform
@@ -9,21 +9,9 @@
 
 namespace osg {
 
-/** Transform - is group which all children are transformed by the the Transform's osg::Matrix.  
-  * Typical uses
-  * of the Transform is for positioning objects within a scene or 
-  * producing trackball functionality or for animation.
-  * The Transform node can be customized via the ComputeTransfromCallback which can be
-  * attached to the node, this might be used to convert internal representations of the transformation
-  * into generic osg::Matrix'c which are used during scene grpah traversal, such as CullTraversal and IntersectionTraversal.
-  * Note, if the transformation matrix scales the subgraph then the
-  * normals of the underlying geometry will need to be renormalized to
-  * be unit vectors once more.  One can done transparently through OpenGL's 
-  * use of either GL_NORMALIZE and GL_SCALE_NORMALIZE modes.  Further
-  * background reading see the glNormalize documentation in the OpenGL Reference 
-  * Guide (the blue book). To enable it in the OSG, you simple need to
-  * attach a local osg::StateSet to the osg::Transform, and set the appropriate
-  * mode to on via stateset->setMode(GL_NORMALIZE,osg::StateAttribute::ON);.
+/** MatrixTransform - is a subclass of Transform which has an osg::Matrix
+  * which represent a 4x4 transformation of its children from local cordinates
+  * into the Transform's parent coordinates.
 */
 class SG_EXPORT MatrixTransform : public Transform
 {
diff --git a/include/osg/Transform b/include/osg/Transform
index acc6b1dd2..de5b4f9c8 100644
--- a/include/osg/Transform
+++ b/include/osg/Transform
@@ -10,13 +10,14 @@
 
 namespace osg {
 
-/** Transform - is group which all children are transformed by the the Transform's osg::Matrix.  
-  * Typical uses
-  * of the Transform is for positioning objects within a scene or 
-  * producing trackball functionality or for animation.
-  * The Transform node can be customized via the ComputeTransfromCallback which can be
+/** Transform - is group node which all children are transformed by 4x4 matrix 
+  * and is used for positioning objects within a scene, producing trackball functionality or for animation.
+  * Transform itself does not provide set/get functions, only the interface for
+  * defining what the 4x4 transformation is, sublcalsses, such as MatrixTransform
+  * and PositionAttitudeTransform support the use of a osg::Matrix or a osg::Vec3/osg::Quat 
+  * resprectively. The Transform node can be customized via the ComputeTransfromCallback which can be
   * attached to the node, this might be used to convert internal representations of the transformation
-  * into generic osg::Matrix'c which are used during scene grpah traversal, such as CullTraversal and IntersectionTraversal.
+  * into generic osg::Matrix's which are used during scene grpah traversal, such as CullTraversal and IntersectionTraversal.
   * Note, if the transformation matrix scales the subgraph then the
   * normals of the underlying geometry will need to be renormalized to
   * be unit vectors once more.  One can done transparently through OpenGL's 
@@ -84,7 +85,7 @@ class SG_EXPORT Transform : public Group
 
 
         /** Get the transformation matrix which moves from local coords to world coords.
-          * Return true if Matrix passed in has been modified and */
+          * Return true if Matrix passed in has been updated. */
         inline const bool getLocalToWorldMatrix(Matrix& matrix,NodeVisitor* nv) const
         {
             if (_computeTransformCallback.valid())
@@ -95,7 +96,7 @@ class SG_EXPORT Transform : public Group
         
 
         /** Get the transformation matrix which moves from world coords to local coords.
-          * Return true if Matrix passed in has been modified and */
+          * Return true if Matrix passed in has been updated. */
         inline const bool getWorldToLocalMatrix(Matrix& matrix,NodeVisitor* nv) const
         {
             if (_computeTransformCallback.valid())