diff --git a/frontend/angular.js b/frontend/angular.js
index 34c6731..4ef1427 100644
--- a/frontend/angular.js
+++ b/frontend/angular.js
@@ -1,5 +1,6 @@
 /* *******************************************************************************************
  * ANGULAR (2+) CHEATSHEET
+ * BASED ON https://angular.io/guide/cheatsheet
  * DOCUMENTATION: https://angular.io/docs
  * STYLE GUIDE: https://angular.io/guide/styleguide
  * ******************************************************************************************* */