diff --git a/man7/mount_namespaces.7 b/man7/mount_namespaces.7
index 5c5d3f6c0..87d872ffc 100644
--- a/man7/mount_namespaces.7
+++ b/man7/mount_namespaces.7
@@ -97,8 +97,6 @@ This ensures that mappings performed in less
 privileged mount namespaces will not propagate to more privileged
 mount namespaces.
 .IP *
-.\" FIXME .
-.\"	What does "come as a single unit from more privileged mount" mean?
 Mounts that come as a single unit from more privileged mount are
 locked together and may not be separated in a less privileged mount
 namespace.