Fix typos in /Documentation : Misc

This patch fixes typos in various Documentation txts. The patch addresses some
misc words.

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/ibmmca.txt b/Documentation/scsi/ibmmca.txt
index 745f3cc..9707941 100644
--- a/Documentation/scsi/ibmmca.txt
+++ b/Documentation/scsi/ibmmca.txt
@@ -710,8 +710,8 @@
       of troubles with some controllers and after I wanted to apply some
       extensions, it jumped out in the same situation, on my w/cache, as like 
       on D. Weinehalls' Model 56, having integrated SCSI. This gave me the 
-      descissive hint to move the code-part out and declare it global. Now,
-      it seems to work by far much better an more stable. Let us see, what
+      decisive hint to move the code-part out and declare it global. Now
+      it seems to work far better and more stable. Let us see what
       the world thinks of it...
    3) By the way, only Sony DAT-drives seem to show density code 0x13. A
       test with a HP drive gave right results, so the problem is vendor-
@@ -822,10 +822,10 @@
    A long period of collecting bugreports from all corners of the world
    now lead to the following corrections to the code:
    1) SCSI-2 F/W support crashed with a COMMAND ERROR. The reason for this 
-      was, that it is possible to disbale Fast-SCSI for the external bus.
-      The feature-control command, where this crash appeared regularly tried
+      was that it is possible to disable Fast-SCSI for the external bus.
+      The feature-control command, where this crash appeared regularly, tried
       to set the maximum speed of 10MHz synchronous transfer speed and that
-      reports a COMMAND ERROR, if external bus Fast-SCSI is disabled. Now,
+      reports a COMMAND ERROR if external bus Fast-SCSI is disabled. Now,
       the feature-command probes down from maximum speed until the adapter 
       stops to complain, which is at the same time the maximum possible
       speed selected in the reference program. So, F/W external can run at