diff --git a/app_odoo_customize/static/description/index.html b/app_odoo_customize/static/description/index.html
index 60e67250..d59784b1 100644
--- a/app_odoo_customize/static/description/index.html
+++ b/app_odoo_customize/static/description/index.html
@@ -1,3 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
 <!--
 # -*- coding: utf-8 -*-
 ##############################################################################