updated gce_ssh.sh

gcp/gce_ssh.sh

@@ -42,7 +42,7 @@ and stopping you from getting stuck on the interactive zone prompt
 Example iteration if you don't have direct access or SSH keys to a client's VMs,
 you can use this to SSH for loop like so using the standard gcloud compute ssh argument of '--command':
 
-    for x in {1..10}; do gce_ssh.sh vm-\$x --command 'systemctl restart MYAPP.service'; echo; done
+    for x in {1..10}; do gce_ssh.sh vm-\$x --command 'sudo systemctl restart MYAPP.service'; echo; done
 
 Requires GCloud SDK to be installed, configured and authenticated
 "