[Service]
Type=simple
-ExecStart=/usr/local/bin/sysd-mail-once -10 btrfsmaintstop /usr/local/bin/btrfsmaint check
+ExecStart=/usr/local/bin/btrfsmaint --check
Restart=always
RestartSec=600
[Install]
-WantedBy=grahical.target
+WantedBy=graphical.target