<refsect1>
<title>Environment</title>
- <variablelist>
+ <variablelist class='environment-variables'>
<varlistentry>
<term><varname>$SYSTEMD_LOG_LEVEL</varname></term>
<listitem><para>systemd reads the
<filename>/proc/cmdline</filename>
instead.</para></footnote>:</para>
- <variablelist>
+ <variablelist class='kernel-commandline-directives'>
<varlistentry>
<term><varname>systemd.unit=</varname></term>
<term><varname>rd.systemd.unit=</varname></term>