diff --git a/conf/sogo.conf b/conf/sogo.conf
index 05ce975..4fcf110 100644
--- a/conf/sogo.conf
+++ b/conf/sogo.conf
@@ -1,4 +1,5 @@
 {
+  /* WARNING: Don't edit this file. All change will be removed after each app upgrade */
   WOPort = 127.0.0.1:__PORT__;
   WOLogFile = /var/log/__APP__/sogo.log;
   /* Fix Yunohost Tile */