diff --git a/lib/OpenLayers/Control/NavToolbar.js b/lib/OpenLayers/Control/NavToolbar.js
index 76f026e3f8..bc20bbe637 100644
--- a/lib/OpenLayers/Control/NavToolbar.js
+++ b/lib/OpenLayers/Control/NavToolbar.js
@@ -10,6 +10,14 @@
 
 /**
  * Class: OpenLayers.Control.NavToolbar
+ * This Toolbar is an alternative to the Navigation control that displays
+ *     the state of the control, and provides a UI for changing state to
+ *     use the zoomBox via a Panel control.
+ *
+ * If you wish to change the properties of the Navigation control used
+ *     in the NavToolbar, see: 
+ *     http://trac.openlayers.org/wiki/Toolbars#SubclassingNavToolbar 
+ * 
  * 
  * Inherits from:
  *  - <OpenLayers.Control.Panel>