diff --git a/README.md b/README.md
index c01a251..8bc8083 100644
--- a/README.md
+++ b/README.md
@@ -18,3 +18,8 @@ wget https://git.rwolff.homelinux.net/rpwolff/public-keys/raw/branch/master/auth
 mv authorized_keys ~/.ssh  
 chmod 600 ~/.ssh/authorized_keys  
 ```
+
+```
+sed -i "s/.*PasswordAuthentication.*/PasswordAuthentication no/g" /etc/ssh/sshd_config
+sudo systemctl restart ssh
+```