diff --git a/lib/OpenLayers/Control/MousePosition.js b/lib/OpenLayers/Control/MousePosition.js
index 86f2a9fb66..ff71bae5d1 100644
--- a/lib/OpenLayers/Control/MousePosition.js
+++ b/lib/OpenLayers/Control/MousePosition.js
@@ -53,7 +53,7 @@ OpenLayers.Control.MousePosition = OpenLayers.Class(OpenLayers.Control, {
     
     /** 
      * Property: lastXy
-     * {<OpenLayers.LonLat>}
+     * {<OpenLayers.Pixel>}
      */
     lastXy: null,