Fix typos in Documentation/: 'N'-'P'

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

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/scsi-changer.txt b/Documentation/scsi/scsi-changer.txt
index c132687..d74bbd2 100644
--- a/Documentation/scsi/scsi-changer.txt
+++ b/Documentation/scsi/scsi-changer.txt
@@ -31,7 +31,7 @@
   media transport - this one shuffles around the media, i.e. the
                     transport arm.  Also known as "picker".
   storage         - a slot which can hold a media.
-  import/export   - the same as above, but is accessable from outside,
+  import/export   - the same as above, but is accessible from outside,
                     i.e. there the operator (you !) can use this to
                     fill in and remove media from the changer.
 		    Sometimes named "mailslot".