<title>Description</title>
<para>A unit configuration file whose name ends in
- <filename>.device</filename> encodes information about
+ <literal>.device</literal> encodes information about
a device unit as exposed in the
sysfs/<citerefentry><refentrytitle>udev</refentrytitle><manvolnum>7</manvolnum></citerefentry>
device tree.</para>