diff --git a/common/content/events.js b/common/content/events.js
index b2583da2..f20a6315 100644
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -1076,9 +1076,10 @@ var Events = Module("events", {
 
     onResize: function onResize(event) {
         if (window.fullScreen != this._fullscreen) {
+            statusline.statusBar.removeAttribute("moz-collapsed");
             this._fullscreen = window.fullScreen;
             dactyl.triggerObserver("fullscreen", this._fullscreen);
-            autocommands.trigger("Fullscreen", { state: this._fullscreen });
+            autocommands.trigger("Fullscreen", { url: this._fullscreen ? "on" : "off", state: this._fullscreen });
         }
     },
 
diff --git a/common/modules/base.jsm b/common/modules/base.jsm
index c781a88f..e98fde6c 100644
--- a/common/modules/base.jsm
+++ b/common/modules/base.jsm
@@ -407,7 +407,7 @@ function isSubclass(targ, src) {
  * returns true if ({}.toString.call(object) == "[object <interfaces>]").
  *
  * @param {object} object The object to check.
- * @param {object|string|[object|string]} interfaces The types to check object against.
+ * @param {constructor|[constructor|string]} interfaces The types to check object against.
  * @returns {boolean}
  */
 var isinstance_types = {