diff --git a/src/gridstack.js b/src/gridstack.js
index 43297d1..0f1de15 100644
--- a/src/gridstack.js
+++ b/src/gridstack.js
@@ -1,3 +1,8 @@
+//     gridstack.js 0.2.3-dev
+//     http://troolee.github.io/gridstack.js/
+//     (c) 2014-2015 Pavel Reznikov
+//     gridstack.js may be freely distributed under the MIT license.
+
 (function (scope, _) {
 
     var Utils = {