diff --git a/MailServerInstall.md b/MailServerInstall.md
index 08c3f19..285ad83 100644
--- a/MailServerInstall.md
+++ b/MailServerInstall.md
@@ -47,7 +47,7 @@ smtp inet n - - - - smtpd
 
 ### Edition des 5 fichiers de configuration suivants:
 * Contenu de (mysql-virtual_domaines.cf)
-    ~~~~text
+    ```
         hosts = 127.0.0.1
         user = postfix
         password = Mot de passe Mysql Postfix
@@ -56,5 +56,5 @@ smtp inet n - - - - smtpd
         table = domaines
         where_field = domaine
         additional_conditions = AND etat=1
-    ~~~~
+    ```