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>

Documentation/networking/NAPI_HOWTO.txt

@@ -35,7 +35,7 @@ Legend:
 packets out of the rx ring. Note from this that the lower the
 load the more we could clean up the rxring
 "Ndone" == is the converse of "Done". Note again, that the higher
-the load the more times we couldnt clean up the rxring.
+the load the more times we couldn't clean up the rxring.
 
 Observe that:
 when the NIC receives 890Kpackets/sec only 17 rx interrupts are generated. 

Documentation/networking/gen_stats.txt

@@ -103,8 +103,8 @@ In the kernel when setting up:
    else
        failed
 
-From now on, everytime you dump my_rate_est_stats it will contain
-uptodate info.
+From now on, every time you dump my_rate_est_stats it will contain
+up-to-date info.
 
 Once you are done, call gen_kill_estimator(my_basicstats,
 my_rate_est_stats) Make sure that my_basicstats and my_rate_est_stats

Documentation/networking/pktgen.txt

@@ -147,7 +147,7 @@ Examples:
 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

Documentation/networking/wan-router.txt

@@ -570,7 +570,7 @@ bata1-2.2.1	Feb 09 2001
 
 				Option to COMPILE WANPIPE modules against the currently 
 				running kernel, thus no need for manual kernel and module
-				re-compilatin.
+				re-compilation.
 			
 			o Updates and Bug Fixes to wancfg utility.