qa/1147: small changes
qa/1147: small changes

- fix initial comment
- make sure systemctl thinks/knows pmlogger is running and make sure
  pmlogger really is running

adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp,adfernandes/pcp