user-manual: use pithier example commit

diff --git a/Documentation/git-write-tree.txt b/Documentation/git-write-tree.txt
index 77e12cb949201445ab33992f9ff155f647ce167c..96d5e07b112aa2a87eb6433f7cbeb8ce5f10205a 100644 (file)
--- a/Documentation/git-write-tree.txt
+++ b/Documentation/git-write-tree.txt
@@ -3,12 +3,12 @@ git-write-tree(1)
 
 NAME
 ----
-git-write-tree - Creates a tree object from the current index
+git-write-tree - Create a tree object from the current index
 
 
 SYNOPSIS
 --------
-'git-write-tree' [--missing-ok]
+'git-write-tree' [--missing-ok] [--prefix=<prefix>/]
 
 DESCRIPTION
 -----------
@@ -30,6 +30,12 @@ OPTIONS
        directory exist in the object database.  This option disables this
        check.
 
+--prefix=<prefix>/::
+       Writes a tree object that represents a subdirectory
+       `<prefix>`.  This can be used to write the tree object
+       for a subproject that is in the named subdirectory.
+
+
 Author
 ------
 Written by Linus Torvalds <torvalds@osdl.org>