[PATCH] man/man7/mount_namespaces.7: Fix an incorrect path in an example

["Göran Uddeborg" <goeran@uddeborg.se>]

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In the example showing how locked mounts in a less privileged mount
namespace can not be split, first /etc/shadow is bind mounted, then an
attempt is done to unmount /mnt/dir, which gives an error complaining
that /etc/shadow is not mounted. The unmount should also refer to
/etc/shadow.

Signed-off-by: Göran Uddeborg <goeran@uddeborg.se>
---
 man/man7/mount_namespaces.7 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/man/man7/mount_namespaces.7 b/man/man7/mount_namespaces.7
index a1645e9e2..0e1223f99 100644
--- a/man/man7/mount_namespaces.7
+++ b/man/man7/mount_namespaces.7
@@ -1128,7 +1128,7 @@ .SS Restrictions on mount namespaces
 .EX
 # \fBunshare \-\-user \-\-map\-root\-user \-\-mount \[rs]\fP
                \fBstrace \-o /tmp/log \[rs]\fP
-               \fBumount /mnt/dir\fP
+               \fBumount /etc/shadow\fP
 umount: /etc/shadow: not mounted.
 # \fBgrep \[aq]\[ha]umount\[aq] /tmp/log\fP
 umount2("/etc/shadow", 0)     = \-1 EINVAL (Invalid argument)
-- 
2.40.1

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