diff --git a/man7/mq_overview.7 b/man7/mq_overview.7
index a2d97781b..eaae5ecc9 100644
--- a/man7/mq_overview.7
+++ b/man7/mq_overview.7
@@ -260,6 +260,10 @@ and can be monitored using
 or
 .BR epoll (7).
 This is not portable.
+.SS IPC namespaces
+For a discussion of the interaction of System V IPC objects and
+IPC namespaces, see
+.BR namespaces (7).
 .SH CONFORMING TO
 POSIX.1-2001.
 .SH NOTES