Fix some typos in Documentation/: 'A'

This patch fixes typos in various Documentation txts.
This patch addresses some words starting with the letter 'A'.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/input/atarikbd.txt b/Documentation/input/atarikbd.txt
index 8fb896c..c16a5df 100644
--- a/Documentation/input/atarikbd.txt
+++ b/Documentation/input/atarikbd.txt
@@ -10,7 +10,7 @@
 The ikbd processor also maintains a time-of-day clock with one second
 resolution.
 The ikbd has been designed to be general enough that it can be used with a
-ariety of new computer products. Product variations in a number of
+variety of new computer products. Product variations in a number of
 keyswitches, mouse resolution, etc. can be accommodated.
 The ikbd communicates with the main processor over a high speed bi-directional
 serial interface. It can function in a variety of modes to facilitate