diff --git a/ufw-config.md b/ufw-config.md
index a8eb8cc..5818706 100644
--- a/ufw-config.md
+++ b/ufw-config.md
@@ -14,11 +14,9 @@ Deny all incoming traffic by default, allow outgoing :
 
 Open needed ports, here an example with `SSH` :
 ```
-# ufw allow ssh
+# ufw allow 22
 ```
 
-> Common ports are `ssh`, `http`, `https`, `dns`, etc...
-
 You may also limit SSH connections against brute-force :
 ```
 # ufw limit ssh