This patch fixes following documentation build warning:
Warning: Documentation/filesystems/automount-support.txt references
a file that doesn't exist: Documentation/filesystems/autofs.txt
Signed-off-by: Madhuparna Bhowmik <madhuparnabhowmik04@gmail.com>
Link: https://lore.kernel.org/r/20191204101939.6939-1-madhuparnabhowmik04@gmail.com
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
 
 IN-KERNEL AUTOMOUNTING
 ======================
 
-See section "Mount Traps" of  Documentation/filesystems/autofs.txt
+See section "Mount Traps" of  Documentation/filesystems/autofs.rst
 
 Then from userspace, you can just do something like: