Fix typos in Documentation/: 'H'-'M'

This patch fixes typos in various Documentation txts. The patch addresses
some words starting with the letters 'H'-'M'.

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/input/input.txt b/Documentation/input/input.txt
index a8aa848..fabb823 100644
--- a/Documentation/input/input.txt
+++ b/Documentation/input/input.txt
@@ -279,7 +279,7 @@
 };
 
   'time' is the timestamp, it returns the time at which the event happened.
-Type is for example EV_REL for relative momement, REL_KEY for a keypress or
+Type is for example EV_REL for relative moment, REL_KEY for a keypress or
 release. More types are defined in include/linux/input.h.
 
   'code' is event code, for example REL_X or KEY_BACKSPACE, again a complete