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/dvb/faq.txt b/Documentation/dvb/faq.txt
index a42132d..0b2399e 100644
--- a/Documentation/dvb/faq.txt
+++ b/Documentation/dvb/faq.txt
@@ -138,7 +138,7 @@
 
 	- v4l2-common: common functions for Video4Linux-2 drivers
 
-	- v4l1-compat: backward compatiblity layer for Video4Linux-1 legacy
+	- v4l1-compat: backward compatibility layer for Video4Linux-1 legacy
 	  applications
 
 	- dvb-core: DVB core module. This provides you with the