diff --git a/app/index.js b/app/index.js
index efce93f..4d0508c 100644
--- a/app/index.js
+++ b/app/index.js
@@ -1,3 +1,11 @@
+// === Liens utiles pour gestion users
+
+// https://jasonwatmore.com/post/2018/11/28/nodejs-role-based-authorization-tutorial-with-example-api
+
+// https://github.com/cornflourblue/node-role-based-authorization-api/tree/master
+
+// ---------------------------------------------------
+
 const express = require('express');
 const exphbs = require('express-handlebars');
 const path = require('path');