[Nut-upsuser] Debian 9.3 nut-client.service reports itself as nut-monitor.service

[Roger Price]

I reported a minor bug in nut 2.7.4 on Debian stretch and got the number 885592 
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=885592

The systemd service unit /lib/systemd/system/nut-client.service reports itself 
as nut-monitor.service on command systemctl status nut-client.service.

It would be clearer to users if the service unit file was also called

/lib/systemd/service/nut-monitor.service

Roger