diff --git a/ChangeLog b/ChangeLog
index a74d93e48..1cb81d0ac 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2008-04-07  Mickael Remond  <mremond@process-one.net>
+
+	* doc/guide.tex: Documented the IQ discipline {queue, N}.
+
 2008-04-05  Badlop  <badlop@process-one.net>
 
 	* doc/guide.tex: Fix default_room_opts with default_room_options
diff --git a/doc/guide.tex b/doc/guide.tex
index b7d7e705f..57c290d6d 100644
--- a/doc/guide.tex
+++ b/doc/guide.tex
@@ -2014,6 +2014,9 @@ these queries. Possible values are:
   of IQ queries of a namespace with this discipline. In addition, the processing
   of this queue is done in parallel with that of other packets. This discipline
   is most recommended.
+  \titem{\{queues, N\}}: N separate queues are created to process the
+  queries. The queries are thus process in parallel, but in a
+  controlled way.
 \titem{parallel} For every packet with this discipline a separate Erlang process
   is spawned. Consequently, all these packets are processed in parallel.
   Although spawning of Erlang process has a relatively low cost, this can break