<?xml version='1.0'?> <!--*-nxml-*-->
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<listitem>
<para>The update service should declare <varname>DefaultDependencies=no</varname>,
<varname>Requires=sysinit.target</varname>, <varname>After=sysinit.target</varname>,
- <varname>After=system-update-pre.target</varname>
+ <varname>After=system-update-pre.target</varname>, <varname>Before=system-update.target</varname>
and explicitly pull in any other services it requires.</para>
</listitem>