Fix typos in Documentation/: 'S'

This patch fixes typos in various Documentation txts. The patch addresses
some words starting with the letter 'S'.

Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com>
Acked-by: Alan Cox <alan@redhat.com>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
diff --git a/Documentation/input/yealink.txt b/Documentation/input/yealink.txt
index 8bf2add..0a8c97e 100644
--- a/Documentation/input/yealink.txt
+++ b/Documentation/input/yealink.txt
@@ -87,7 +87,7 @@
 
 
 Format description:
-  From a user space perspective the world is seperated in "digits" and "icons".
+  From a userspace perspective the world is separated into "digits" and "icons".
   A digit can have a character set, an icon can only be ON or OFF.
 
   Format specifier