diff --git a/HowtoLetsEncrypt.md b/HowtoLetsEncrypt.md
index 576d8ae2..ba26ce72 100644
--- a/HowtoLetsEncrypt.md
+++ b/HowtoLetsEncrypt.md
@@ -34,9 +34,7 @@ Ensuite on crée un utilisateur dédié à certbot (ici "acme") et on corrige le
 
 ~~~
 useradd acme -d /etc/letsencrypt
-mkdir -p /etc/letsencrypt /var/log/letsencrypt /var/lib/letsencrypt
-chmod 755 /etc/letsencrypt /var/log/letsencrypt /var/lib/letsencrypt
-chown acme: /etc/letsencrypt /var/log/letsencrypt /var/lib/letsencrypt
+install -m 755 -o acme -g acme -d /etc/letsencrypt /var/log/letsencrypt /var/lib/letsencrypt
 ~~~
 
 ### Configuration du Serveur Web