Fix typos in Documentation/: 'S'

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

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Alan Cox <alan@redhat.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/scsi/ncr53c8xx.txt b/Documentation/scsi/ncr53c8xx.txt
index ea8e98f..58ad8db 100644
--- a/Documentation/scsi/ncr53c8xx.txt
+++ b/Documentation/scsi/ncr53c8xx.txt
@@ -70,7 +70,7 @@
 15. SCSI problem troubleshooting
       15.1 Problem tracking
       15.2 Understanding hardware error reports
-16. Synchonous transfer negotiation tables
+16. Synchronous transfer negotiation tables
       16.1 Synchronous timings for 53C875 and 53C860 Ultra-SCSI controllers
       16.2 Synchronous timings for fast SCSI-2 53C8XX controllers
 17. Serial NVRAM support (by Richard Waltham)
@@ -1382,7 +1382,7 @@
 You are not required to decode and understand them, unless you want to help 
 maintain the driver code.
 
-16. Synchonous transfer negotiation tables
+16. Synchronous transfer negotiation tables
 
 Tables below have been created by calling the routine the driver uses
 for synchronisation negotiation timing calculation and chip setting.