diff --git a/vpn-with-ssh-tunnel.md b/vpn-with-ssh-tunnel.md
index 2d9b2f9..62ddc92 100644
--- a/vpn-with-ssh-tunnel.md
+++ b/vpn-with-ssh-tunnel.md
@@ -1,4 +1,4 @@
-```
+```bash
 # tun device lokal anlegen für den user
 $ ip tuntap add mode tun user mhanisch name tun0