Fix typos in Documentation/: 'Q'-'R'

This patch fixes typos in various Documentation txts. The patch addresses
some words starting with the letters 'Q'-'R'.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>

Documentation/filesystems/befs.txt

@@ -7,7 +7,7 @@ WARNING
 Make sure you understand that this is alpha software.  This means that the
 implementation is neither complete nor well-tested. 
 
-I DISCLAIM ALL RESPONSIBILTY FOR ANY POSSIBLE BAD EFFECTS OF THIS CODE!
+I DISCLAIM ALL RESPONSIBILITY FOR ANY POSSIBLE BAD EFFECTS OF THIS CODE!
 
 LICENSE
 =====