diff --git a/lib/OpenLayers/Events.js b/lib/OpenLayers/Events.js
index fb4cde8aef..ddf375444a 100644
--- a/lib/OpenLayers/Events.js
+++ b/lib/OpenLayers/Events.js
@@ -822,7 +822,7 @@ OpenLayers.Events = OpenLayers.Class({
      * 
      * Parameters:
      * type - {String} 
-     * evt - {Event}
+     * evt - {Event || Object} will be passed to the listeners.
      *
      * Returns:
      * {Boolean} The last listener return.  If a listener returns false, the