udev tag (by default all block and network devices,
and a few others). This may be used to define
dependencies between devices and other units. To tag a
- udev device use <literal>TAG+="systemd"</literal> in
+ udev device, use <literal>TAG+="systemd"</literal> in
the udev rules file, see
<citerefentry><refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum></citerefentry>
for details.</para>