<?xml version='1.0'?>
-<!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+
--->
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<refentry id="systemd-cgtop"
xmlns:xi="http://www.w3.org/2001/XInclude">
<para>If <command>systemd-cgtop</command> is not connected to a
tty, no column headers are printed and the default is to only run
- one iteration. The <varname>--iterations=</varname> argument, if
+ one iteration. The <option>--iterations=</option> argument, if
given, is honored. This mode is suitable for scripting.</para>
<para>Resource usage is only accounted for control groups in the