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/eisa.txt b/Documentation/eisa.txt
index e00fd0c..6a099ed 100644
--- a/Documentation/eisa.txt
+++ b/Documentation/eisa.txt
@@ -84,7 +84,7 @@
 
 id_table	: an array of NULL terminated EISA id strings,
 		  followed by an empty string. Each string can
-		  optionnaly be paired with a driver-dependant value
+		  optionally be paired with a driver-dependant value
 		  (driver_data).
 
 driver		: a generic driver, such as described in