misc doc and kconfig typos

Fix various typos in kernel docs and Kconfigs, 2.6.21-rc4.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/networking/NAPI_HOWTO.txt b/Documentation/networking/NAPI_HOWTO.txt
index fb8dc64..7907435 100644
--- a/Documentation/networking/NAPI_HOWTO.txt
+++ b/Documentation/networking/NAPI_HOWTO.txt
@@ -160,7 +160,7 @@
 it completes its work. The device cannot be out of poll list at this
 call, if it is then clearly it is a BUG(). You'll know ;->
 
-All these above nethods are used below. So keep reading for clarity.
+All of the above methods are used below, so keep reading for clarity.
 
 Device driver changes to be made when porting NAPI
 ==================================================