[PATCH] docs: small kbuild cleanup

While reading this I noticed that the contents of this document list
section "3.8 Command line dependency" but it doesn't exist in the document.

Signed-off-by: Daniel Walker <dwalker@mvista.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

Documentation/kbuild/kconfig-language.txt

@@ -1,7 +1,7 @@
 Introduction
 ------------
 
-The configuration database is collection of configuration options
+The configuration database is a collection of configuration options
 organized in a tree structure:
 
 	+- Code maturity level options

Documentation/kbuild/makefiles.txt

@@ -390,7 +390,7 @@ more details, with real examples.
 	The kernel may be built with several different versions of
 	$(CC), each supporting a unique set of features and options.
 	kbuild provide basic support to check for valid options for $(CC).
-	$(CC) is useally the gcc compiler, but other alternatives are
+	$(CC) is usually the gcc compiler, but other alternatives are
 	available.
 
     as-option