Trivial typo and grammar fixes.
Signed-off-by: N"J. Bruce Fields" <bfields@citi.umich.edu>
Cc: Davide Libenzi <davidel@xmailserver.org>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>