<?xml version="1.0"?>
-<!DOCTYPE book PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
- "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1+ -->
<variablelist>
<varlistentry id='user'>
<para>Execute the operation remotely. Specify a hostname, or a
username and hostname separated by <literal>@</literal>, to
connect to. The hostname may optionally be suffixed by a
- container name, separated by <literal>:</literal>, which
+ port ssh is listening on, separated by <literal>:</literal>, and then a
+ container name, separated by <literal>/</literal>, which
connects directly to a specific container on the specified
host. This will use SSH to talk to the remote machine manager
instance. Container names may be enumerated with
<command>machinectl -H
- <replaceable>HOST</replaceable></command>.</para>
+ <replaceable>HOST</replaceable></command>. Put IPv6 addresses in brackets.</para>
</listitem>
</varlistentry>