Fix typos in Documentation/: 'H'-'M'

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

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/scsi/megaraid.txt b/Documentation/scsi/megaraid.txt
index ff864c0..3c7cea5 100644
--- a/Documentation/scsi/megaraid.txt
+++ b/Documentation/scsi/megaraid.txt
@@ -4,11 +4,11 @@
 Overview:
 --------
 
-Different classes of controllers from LSI Logic, accept and respond to the
+Different classes of controllers from LSI Logic accept and respond to the
 user applications in a similar way. They understand the same firmware control
 commands. Furthermore, the applications also can treat different classes of
 the controllers uniformly. Hence it is logical to have a single module that
-interefaces with the applications on one side and all the low level drivers
+interfaces with the applications on one side and all the low level drivers
 on the other.
 
 The advantages, though obvious, are listed for completeness: