diff --git a/lib/OpenLayers/Control/Measure.js b/lib/OpenLayers/Control/Measure.js
index d51d7f3189..be6864be9e 100644
--- a/lib/OpenLayers/Control/Measure.js
+++ b/lib/OpenLayers/Control/Measure.js
@@ -161,8 +161,8 @@ OpenLayers.Control.Measure = OpenLayers.Class(OpenLayers.Control, {
 
     /**
      * APIMethod: setImmediate
-     * Set <persist> is true, the temporary
-     *     sketch will be erased.
+     * Sets the <immediate> property. Changes the activity of immediate
+     * measurement.
      */
     setImmediate: function(immediate) {
         this.immediate = immediate;