It was backward - --after fetches After property, so units shown really
come *before* unit given as argument. Same for --before.
<term><option>--before</option></term>
<listitem>
<term><option>--before</option></term>
<listitem>
- <para>Show which units are started after or before
- with <command>list-dependencies</command>, respectively.
+ <para>Show after (before) which units the specified unit is started
+ with <command>list-dependencies</command>.
</para>
</listitem>
</varlistentry>
</para>
</listitem>
</varlistentry>