diff --git a/man7/namespaces.7 b/man7/namespaces.7
index 0bcb45c2d..5fc09b533 100644
--- a/man7/namespaces.7
+++ b/man7/namespaces.7
@@ -448,7 +448,7 @@ filesystem (see
 .BR mq_overview (7))
 refers to this namespace.
 .IP *
-It is an PID namespace, and a corresponding mount of a
+It is a PID namespace, and a corresponding mount of a
 .BR proc (5)
 filesystem refers to this namespace.
 .SH EXAMPLE