diff --git a/assets/javascripts/documentation.js b/assets/javascripts/documentation.js
index fd7acd87c2..0753d62b14 100644
--- a/assets/javascripts/documentation.js
+++ b/assets/javascripts/documentation.js
@@ -4,7 +4,7 @@ $(function() {
       helpList = $('#js-sidebar .js-topic'),
       firstOccurance = true,
       styleTOC = function() {
-        var pathRegEx = /\/\/[^\/]+(\/.+)/g,
+        var pathRegEx = /\/\/[^\/]+([A-Za-z0-9-_/]+)/g,
             docUrl = pathRegEx.exec(window.location.toString())
         if (docUrl){
           $('#js-sidebar .js-topic a').each(function(){