Documentation nitpicking

This patch fixes some small problems with the documentation.

Signed-off-by: Nikolai Weibull <nikolai@bitwi.se>
Signed-off-by: Junio C Hamano <junkio@cox.net>

Documentation/git-commit-tree.txt

@@ -8,7 +8,7 @@ git-commit-tree - Creates a new commit object
 
 SYNOPSIS
 --------
-'git-commit-tree' <tree> [-p <parent commit>]\   < changelog
+'git-commit-tree' <tree> [-p <parent commit>]\* < changelog
 
 DESCRIPTION
 -----------

Documentation/git-update-index.txt

@@ -60,7 +60,7 @@ OPTIONS
 	Directly insert the specified info into the index.
 	
 --index-info::
-        Read index info from stdin.
+        Read index information from stdin.
 
 --chmod=(+|-)x::
         Set the execute permissions on the updated files.