Documentation: filesystems: path-lookup: drop doubled word

Drop the doubled word "to".
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-doc@vger.kernel.org
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: linux-fsdevel@vger.kernel.org
Link: https://lore.kernel.org/r/20200703214325.31036-9-rdunlap@infradead.orgSigned-off-by: Jonathan Corbet <corbet@lwn.net>

Documentation/filesystems/path-lookup.rst

@@ -1365,7 +1365,7 @@ as well as blocking ".." if it would jump outside the starting point.
 resolution of "..". Magic-links are also blocked.
 
 ``LOOKUP_IN_ROOT`` resolves all path components as though the starting point
-were the filesystem root. ``nd_jump_root()`` brings the resolution back to to
+were the filesystem root. ``nd_jump_root()`` brings the resolution back to
 the starting point, and ".." at the starting point will act as a no-op. As with
 ``LOOKUP_BENEATH``, ``rename_lock`` and ``mount_lock`` are used to detect
 attacks against ".." resolution. Magic-links are also blocked.