diff --git a/lib/OpenLayers/Control/DragPan.js b/lib/OpenLayers/Control/DragPan.js
index 34e31be905..233e7ab377 100644
--- a/lib/OpenLayers/Control/DragPan.js
+++ b/lib/OpenLayers/Control/DragPan.js
@@ -57,6 +57,8 @@ OpenLayers.Control.DragPan = OpenLayers.Class(OpenLayers.Control, {
      *     set to true or to an object. If set to an object this
      *     object will be passed to the {<OpenLayers.Kinetic>}
      *     constructor. Defaults to false.
+     *     If you set this property, you should ensure that 
+     *     OpenLayers/Kinetic.js is included in your build config
      */
     enableKinetic: false,