diff --git a/include/osg/ClipNode b/include/osg/ClipNode
index 4e7dde75f..d66cd348e 100644
--- a/include/osg/ClipNode
+++ b/include/osg/ClipNode
@@ -40,16 +40,16 @@ class OSG_EXPORT ClipNode : public Group
             ABSOLUTE_RF
         };
         
-        /** Set the light sources's ReferenceFrame, either to be relative to its
+        /** Set the ClipNode's ReferenceFrame, either to be relative to its
           * parent reference frame, or relative to an absolute coordinate
           * frame. RELATIVE_RF is the default.
           * Note: setting the ReferenceFrame to be ABSOLUTE_RF will
-          * also set the CullingActive flag on the light source, and hence all
-          * of its parents, to false, thereby disabling culling of it and
+          * also set the CullingActive flag to false on the ClipNode (and
+          * consequently all of its parents), thereby disabling culling of it and
           * all its parents.  This is necessary to prevent inappropriate
-          * culling, but may impact cull times if the absolute light source is
+          * culling, but may impact cull times if the absolute ClipNode is
           * deep in the scene graph.  It is therefore recommended to only use
-          * absolute light source at the top of the scene.
+          * absolute ClipNode at the top of the scene.
         */
         void setReferenceFrame(ReferenceFrame rf);