diff --git a/lib/gollum/frontend/public/gollum/livepreview/js/livepreview.js b/lib/gollum/frontend/public/gollum/livepreview/js/livepreview.js
index 2ee8929f..1a2f7a1a 100644
--- a/lib/gollum/frontend/public/gollum/livepreview/js/livepreview.js
+++ b/lib/gollum/frontend/public/gollum/livepreview/js/livepreview.js
@@ -194,8 +194,8 @@ var previewSet = function( text ) {
   }
 };
 
-// 'c', 'c++', 'cpp' are github specific and transformed to c_cpp for Ace.
-// 'coffeescript' is transformed to 'coffee' for Ace.
+// See pygmentsLanguageToAceMode for pygment to ace mode translations.
+// TODO: Update languages and translation once Ace is upgraded to v1.0.
 var languages = [ 'c', 'c++', 'cpp', 'clojure', 'coffee',
   'coffeescript', 'coldfusion', 'csharp', 'css', 'diff', 'golang',
   'groovy', 'haxe', 'html', 'java', 'javascript', 'json', 'latex',