It's like Manager.PowerOff(), which does not start poweroff.target.
Instead, the dbus methods are used for `systemctl --force exit`
or `systemctl --force poweroff`. They shut down the system without
processing individual unit's ExecStop or TimeoutStopSec.
<filename>poweroff.target</filename> on non-container
systems, and also works in containers.</para>
- <para>systemd will start this unit when it receives a
- request to shut down over D-Bus or a
+ <para>systemd will start this unit when it receives the
<constant>SIGTERM</constant> or <constant>SIGINT</constant>
signal when running as user service daemon.</para>