diff --git a/rhodecode/public/js/src/plugins/jquery.timeago-extension.js b/rhodecode/public/js/src/plugins/jquery.timeago-extension.js
index 4132298b..11af1aa6 100644
--- a/rhodecode/public/js/src/plugins/jquery.timeago-extension.js
+++ b/rhodecode/public/js/src/plugins/jquery.timeago-extension.js
@@ -45,6 +45,7 @@ var AgeModule = (function () {
   };
 
   var get_month = function(prevdate) {
+    // mimic moment().month()  // 0–11
     return prevdate.month - 1;
   };