<varlistentry>
<term><option>--pid=</option></term>
- <listitem><para>Inform the service manager about the main PID of the service. Takes a PID as
- argument. If the argument is specified as <literal>auto</literal> or omitted, the PID of the process
- that invoked <command>systemd-notify</command> is used, except if that's the service manager. If the
+ <listitem><para>Inform the service manager about the main PID of the service. Takes a PID as argument.
+ If the argument is specified as <literal>auto</literal> or omitted, the PID of the process that
+ invoked <command>systemd-notify</command> is used, except if that's the service manager. If the
argument is specified as <literal>self</literal>, the PID of the <command>systemd-notify</command>
command itself is used, and if <literal>parent</literal> is specified the calling process' PID is
- used — even if it is the service manager. The latter is equivalent to <command>systemd-notify
+ used — even if it is the service manager. <option>--pid=auto</option> is equivalent to <command>systemd-notify
MAINPID=$PID</command>. For details about the semantics of this option see
<citerefentry><refentrytitle>sd_notify</refentrytitle><manvolnum>3</manvolnum></citerefentry>.</para>