added sudo

README.md

@@ -99,10 +99,10 @@ Install the systemd service files
 `sudo mv sound-init.service /etc/systemd/system/`
 
 Reload systemd manager configuration
-> `systemctl daemon-reload`
+> `sudo systemctl daemon-reload`
 
 Enable the `dog-trainer` service at boot time and also run it
-> `systemctl enable --now dog-trainer`
+> `sudo systemctl enable --now dog-trainer`
 
 If it does not work check logs
 > `journalctl -f -u dog-trainer`