clone: use --progress to force progress reporting

diff --git a/Documentation/git-ls-tree.txt b/Documentation/git-ls-tree.txt
index f68e5c5c1abd15350e679eebf976f0ac8516123b..c3fdccb4c2f66b8b3a3c6b60b21feac881b06cb4 100644 (file)
--- a/Documentation/git-ls-tree.txt
+++ b/Documentation/git-ls-tree.txt
@@ -82,8 +82,10 @@ Output Format
 -------------
         <mode> SP <type> SP <object> TAB <file>
 
-When the `-z` option is not used, TAB, LF, and backslash characters
+Unless the `-z` option is used, TAB, LF, and backslash characters
 in pathnames are represented as `\t`, `\n`, and `\\`, respectively.
+This output format is compatible with what '--index-info --stdin' of
+'git update-index' expects.
 
 When the `-l` option is used, format changes to