daemon. Use of this option is
recommended for services where
<varname>Type=</varname> is set to
- <option>forking</option>.</para>
+ <option>forking</option>. systemd will
+ read the PID of the main process of
+ the daemon after start-up of the
+ service. systemd will not write to the
+ file configured here.</para>
</listitem>
</varlistentry>