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/mca.txt b/Documentation/mca.txt
index 6091335..aabce4a 100644
--- a/Documentation/mca.txt
+++ b/Documentation/mca.txt
@@ -177,7 +177,7 @@
 	with clones that have a different adapter id than the original
 	NE/2.
 
-6) Future Domain MCS-600/700, OEM'd IBM Fast SCSI Aapter/A and
+6) Future Domain MCS-600/700, OEM'd IBM Fast SCSI Adapter/A and
    Reply Sound Blaster/SCSI (SCSI part)
 	Better support for these cards than the driver for ISA.
    Supports multiple cards with IRQ sharing.