diff --git a/README.md b/README.md
index c3fd1a8..c0b9781 100644
--- a/README.md
+++ b/README.md
@@ -29,11 +29,14 @@ $ ... Add API keys in accounts.php ...
 Webhook configuration
 ---------------------
 
-### Webhook url
+### Payloading url
 
 Configure a http webserver with PHP to access `event.php` script.
-*https://webhook.deblan.org/event.php* for example.
+*https://webhook.deblan.org/event.php* for [gitnet].
 
 ### Secret
 
 Choose an access key from `accounts.php`.
+If you use [gitnet], the administrator sent you the secret key by email.
+
+[gitnet]: https://gitnet.fr/project/gitnet