</varlistentry>
<varlistentry>
- <term><command>introspect</command> <arg choice="plain"><replaceable>SERVICE</replaceable></arg> <arg choice="plain"><replaceable>OBJECT</replaceable></arg></term>
+ <term><command>introspect</command> <arg choice="plain"><replaceable>SERVICE</replaceable></arg> <arg choice="plain"><replaceable>OBJECT</replaceable></arg> <arg choice="opt"><replaceable>INTERFACE</replaceable></arg></term>
<listitem><para>Show interfaces, methods, properties and
signals of the specified object (identified by its path) on
- the specified service.</para></listitem>
+ the specified service. If the interface argument is passed the
+ output is limited to members of the specified
+ interface.</para></listitem>
</varlistentry>
<varlistentry>