Fix typos in /Documentation : 'T''

This patch fixes typos in various Documentation txts. The patch addresses some
+words starting with the letter 'T'.

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/watchdog/watchdog-api.txt b/Documentation/watchdog/watchdog-api.txt
index 7e8ae83..8d16f6f 100644
--- a/Documentation/watchdog/watchdog-api.txt
+++ b/Documentation/watchdog/watchdog-api.txt
@@ -214,7 +214,7 @@
 
 Finally the SETOPTIONS ioctl can be used to control some aspects of
 the cards operation; right now the pcwd driver is the only one
-supporting thiss ioctl.
+supporting this ioctl.
 
     int options = 0;
     ioctl(fd, WDIOC_SETOPTIONS, options);