Fix typos in Documentation/: 'D'-'E'

This patch fixes typos in various Documentation txts. This patch addresses
some words starting with the letters 'D'-'E'.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/networking/pktgen.txt b/Documentation/networking/pktgen.txt
index c2f859f..287b622 100644
--- a/Documentation/networking/pktgen.txt
+++ b/Documentation/networking/pktgen.txt
@@ -147,7 +147,7 @@
 Example scripts
 ===============
 
-A collection of small tutorial scripts for pktgen is in expamples dir.
+A collection of small tutorial scripts for pktgen is in examples dir.
 
 pktgen.conf-1-1                  # 1 CPU 1 dev 
 pktgen.conf-1-2                  # 1 CPU 2 dev