stray jsdoc comment found

git-svn-id: http://svn.openlayers.org/trunk/openlayers@3590 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf

lib/OpenLayers/Layer.js

@@ -413,8 +413,11 @@ OpenLayers.Layer.prototype = {
     },
     
     /**
-     * @returns The size that the image should be, taking into account gutters 
+     * APIMethod: getImageSize
-     * @tile OpenLayers.Size 
+     * 
+     * Return:
+     * {<OpenLayers.Size>} The size that the image should be, taking into 
+     *                     account gutters.
      */ 
     getImageSize: function() { 
         return (this.imageSize || this.tileSize);