I think that snapshots & devices are actually _not_ captured in
snapshots.
<title>Description</title>
<para><command>systemd-tmpfiles</command> creates,
- deletes and cleans up volatile ad temporary files and
+ deletes and cleans up volatile and temporary files and
directories, based on the configuration from
<filename>/etc/tmpfiles.d/</filename>. See
<citerefentry><refentrytitle>tmpfiles.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>
argument. If <option>true</option>
this unit will not be included in
snapshots. Defaults to
- <option>false</option> for device and
- snapshot units, <option>true</option>
+ <option>true</option> for device and
+ snapshot units, <option>false</option>
for the others.</para></listitem>
</varlistentry>