Bug#807462: grammar error on systemctl man page

[積丹尼 Dan Jacobson]

Package: systemd
Version: 228-2
Severity: minor


           are looking for computer-parsable output, use show instead. By
           default, this function only shows 10 lines of output and ellipsizes
           lines to fit in the terminal window. This can be changes with

s/ changes / changed /

           --lines and --full, see above. In addition, journalctl --unit=NAME
           or journalctl --user-unit=NAME use a similar filter for messages