X-Git-Url: https://git.verplant.org/?a=blobdiff_plain;f=Documentation%2Fgit-diff-helper.txt;h=90342c91255f5ee2c7917becbbc9096a544c728c;hb=f35ca9ed3ef02541a938f3bd43cad83af93eb94f;hp=800d71a386f77f83de8ab85a574ab85a7bf77906;hpb=7984eabe071298df0ce53da2af449ec16dd747d8;p=git.git

diff --git a/Documentation/git-diff-helper.txt b/Documentation/git-diff-helper.txt
index 800d71a3..90342c91 100644
--- a/Documentation/git-diff-helper.txt
+++ b/Documentation/git-diff-helper.txt
@@ -9,7 +9,7 @@ git-diff-helper - Generates patch format output for git-diff-*
 
 SYNOPSIS
 --------
-'git-diff-helper' [-z] [-R] [-M]
+'git-diff-helper' [-z] [-S<string>]
 
 DESCRIPTION
 -----------
@@ -21,18 +21,8 @@ OPTIONS
 -z::
 	\0 line termination on input
 
--R::
-	Output diff in reverse.  This is useful for displaying output from
-	"git-diff-cache" which always compares tree with cache or working
-	file.  E.g.
-
-		git-diff-cache <tree> | git-diff-helper -R file.c
-
-	would show a diff to bring the working file back to what
-	is in the <tree>.
-
--M::
-	Detect renames.
+-S<string>::
+	Look for differences that contains the change in <string>.
 
 
 See Also