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/kbuild/kconfig-language.txt b/Documentation/kbuild/kconfig-language.txt
index 003fccc..7f34778d 100644
--- a/Documentation/kbuild/kconfig-language.txt
+++ b/Documentation/kbuild/kconfig-language.txt
@@ -110,7 +110,7 @@
   the indentation level, this means it ends at the first line which has
   a smaller indentation than the first line of the help text.
   "---help---" and "help" do not differ in behaviour, "---help---" is
-  used to help visually seperate configuration logic from help within
+  used to help visually separate configuration logic from help within
   the file as an aid to developers.
 
 
@@ -226,7 +226,7 @@
 	"menuconfig" <symbol>
 	<config options>
 
-This is similiar to the simple config entry above, but it also gives a
+This is similar to the simple config entry above, but it also gives a
 hint to front ends, that all suboptions should be displayed as a
 separate list of options.