diff --git a/README.md b/README.md
index 9db7e06..41e1f15 100644
--- a/README.md
+++ b/README.md
@@ -33,7 +33,7 @@ remote$ for host in cgi{01..10}; do ssh-copy-id -i $idf cgi_user@$host; done
 
 Add the identity file to your `~/.ssh/config`
 
-```
+```ssh_config
 Host cgi*
      IdentityFile ~/.ssh/id_rsa-cgi-202
      User cgi_user