diff --git a/lib/ace/mode/doc_comment_highlight_rules.js b/lib/ace/mode/doc_comment_highlight_rules.js
index 1cf1c0f0..98f27a29 100644
--- a/lib/ace/mode/doc_comment_highlight_rules.js
+++ b/lib/ace/mode/doc_comment_highlight_rules.js
@@ -48,7 +48,7 @@ var DocCommentHighlightRules = function() {
             regex : "@[\\w\\d_]+" // TODO: fix email addresses
         }, {
             token : "comment.doc",
-            regex : "\s+"
+            regex : "\\s+"
         }, {
             token : "comment.doc",
             regex : "TODO"
@@ -80,7 +80,7 @@ oop.inherits(DocCommentHighlightRules, TextHighlightRules);
             regex : "\\*\\/",
             next  : start
         };
-    }
+    };
 
 }).call(DocCommentHighlightRules.prototype);