diff --git a/lib/ace/editor.js b/lib/ace/editor.js
index f77c5aa3..86630d9e 100644
--- a/lib/ace/editor.js
+++ b/lib/ace/editor.js
@@ -535,7 +535,8 @@ var Editor = function(renderer, session) {
                 self.session.$bracketHighlight = self.session.addMarker(range, "ace_bracket", "text");
         }, 50);
     };
-    
+
+    // todo: move to mode.getMatching
     this.$highlightTags = function() {
         var session = this.session;