<orderedlist>
<listitem>
- <para>The package manager prepares system updates by downloading all (RPM or DEB or
+ <para>The package manager prepares system updates by downloading all (.rpm or .deb or
whatever) packages to update off-line in a special directory
<filename index="false">/var/lib/system-update</filename> (or
another directory of the package/upgrade manager's choice).</para>
</listitem>
<listitem>
- <para>The upgrade scripts should exit only after the update is finished. It is expected
- that the service which performs the upgrade will cause the machine to reboot after it
+ <para>The update scripts should exit only after the update is finished. It is expected
+ that the service which performs the update will cause the machine to reboot after it
is done. If the <filename>system-update.target</filename> is successfully reached, i.e.
all update services have run, and the <filename>/system-update</filename> symlink still
exists, it will be removed and the machine rebooted as a safety measure.</para>