+
The source code
@@ -56,7 +57,7 @@ Ext.Element.addMethods(function(){
/**
* Sets the element's visibility mode. When setVisible() is called it
* will use this to determine whether to set the visibility or the display property.
- * @param visMode Ext.Element.VISIBILITY or Ext.Element.DISPLAY
+ * @param {Number} visMode Ext.Element.VISIBILITY or Ext.Element.DISPLAY
* @return {Ext.Element} this
*/
setVisibilityMode : function(visMode){