- <term><command>activate</command> <replaceable>ID</replaceable>...</term>
-
- <listitem><para>Activate one or more
- sessions. This brings one or more
- sessions into the foreground, if
- another session is currently in the
- foreground on the respective
- seat.</para></listitem>
+ <term><command>activate</command> <optional><replaceable>ID</replaceable></optional></term>
+
+ <listitem><para>Activate a
+ session. This brings a session into
+ the foreground, if another session is
+ currently in the foreground on the
+ respective seat. Takes a session
+ identifier as argument. If no argument
+ is specified the session of the caller
+ is put into
+ foreground.</para></listitem>