diff --git a/lib/OpenLayers/Feature.js b/lib/OpenLayers/Feature.js
index 7b5a3c593c..2eaafbdba5 100644
--- a/lib/OpenLayers/Feature.js
+++ b/lib/OpenLayers/Feature.js
@@ -161,6 +161,10 @@ OpenLayers.Feature = OpenLayers.Class({
      *  
      *  If no 'lonlat' is set, returns null. 
      *  If no this.marker has been created, no anchor is sent.
+     *
+     *  Note - the returned popup object is 'owned' by the feature, so you
+     *      cannot use the popup's destroy method to discard the popup.
+     *      Instead, you must use the feature's destroyPopup
      * 
      *  Note - this.popup is set to return value
      *