diff --git a/lib/OpenLayers/Control/Measure.js b/lib/OpenLayers/Control/Measure.js
index 39cae06bc8..f0fb89d855 100644
--- a/lib/OpenLayers/Control/Measure.js
+++ b/lib/OpenLayers/Control/Measure.js
@@ -226,8 +226,10 @@ OpenLayers.Control.Measure = OpenLayers.Class(OpenLayers.Control, {
      * Method: measureImmediate
      * Called each time the measurement sketch is modified.
      * 
-     * Parameters: point - {<OpenLayers.Geometry.Point>} The point at the
-     * mouseposition. feature - {<OpenLayers.Feature.Vector>} The sketch feature.
+     * Parameters:
+     * point - {<OpenLayers.Geometry.Point>} The point at the mouse position.
+     * feature - {<OpenLayers.Feature.Vector>} The sketch feature.
+     * drawing - {Boolean} Indicates whether we're currently drawing.
      */
     measureImmediate : function(point, feature, drawing) {
         if (drawing && !this.handler.freehandMode(this.handler.evt)) {