diff --git a/howto/mail_all.md b/howto/mail_all.md
index e185992..1634a0e 100644
--- a/howto/mail_all.md
+++ b/howto/mail_all.md
@@ -20,8 +20,8 @@ Tout d'abord, allons lire le menu d'aide.
 
 ```bash
 ---> ./mail_all.py --help
-usage: mail_all.py [-h] [-f RECIPIENTFILE] [-t TEMPLATE] [-s SENDER] [-a] [-A]
-                   [--doit]
+usage: mail_all.py [-h] [-t TEMPLATE] [-s SENDER] [--doit]
+                   (-f RECIPIENTFILE | --to {adherent,access,club,everyone})
 
 Mail all générique. Prend un template en argument.