diff --git a/externs/jquery-1.9.js b/externs/jquery-1.9.js
index 7bec5709c9..38d21c0393 100644
--- a/externs/jquery-1.9.js
+++ b/externs/jquery-1.9.js
@@ -804,8 +804,9 @@ jQuery.prototype.fadeTo = function(duration, opacity, arg3, callback) {};
 jQuery.prototype.fadeToggle = function(duration, easing, callback) {};
 
 /**
- * @param {(jQuerySelector|function(number)|Element|jQuery)} arg1
+ * @param {(jQuerySelector|function(number,Element)|Element|jQuery)} arg1
  * @return {!jQuery}
+ * @see http://api.jquery.com/filter/
  */
 jQuery.prototype.filter = function(arg1) {};