diff --git a/app/assets/javascripts/application.js b/app/assets/javascripts/application.js
--- a/app/assets/javascripts/application.js
+++ b/app/assets/javascripts/application.js
@@ -12,4 +12,4 @@
 //
 //= require prototype
 //= require prototype_ujs
-//= require_tree .
+