Fix typos in Documentation/: 'B'-'C'

This patch fixes typos in various Documentation txts. This patch addresses some
words starting with the letters 'B'-'C'.  There are also a few grammar fixes
thrown in for Randy. ;)

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/scsi/aic7xxx.txt b/Documentation/scsi/aic7xxx.txt
index 3481fcd..9b894f1 100644
--- a/Documentation/scsi/aic7xxx.txt
+++ b/Documentation/scsi/aic7xxx.txt
@@ -160,7 +160,7 @@
 
    6.2.34 (May 5th, 2003)
         - Fix locking regression instroduced in 6.2.29 that
-          could cuase a lock order reversal between the io_request_lock
+          could cause a lock order reversal between the io_request_lock
           and our per-softc lock.  This was only possible on RH9,
           SuSE, and kernel.org 2.4.X kernels.