multi-pack-index: prepare for 'expire' subcommand

diff --git a/Documentation/git-multi-pack-index.txt b/Documentation/git-multi-pack-index.txt
index f7778a2c85c1aaa1295dbf3b9e4f74f3683def23..6186c4c9369a9c5c57096f19fa9e428d662d5a5e 100644 (file)
--- a/Documentation/git-multi-pack-index.txt
+++ b/Documentation/git-multi-pack-index.txt
@@ -9,7 +9,7 @@ git-multi-pack-index - Write and verify multi-pack-indexes
 SYNOPSIS
 --------
 [verse]
-'git multi-pack-index' [--object-dir=<dir>] <verb>
+'git multi-pack-index' [--object-dir=<dir>] <subcommand>
 
 DESCRIPTION
 -----------
@@ -23,13 +23,18 @@ OPTIONS
        `<dir>/packs/multi-pack-index` for the current MIDX file, and
        `<dir>/packs` for the pack-files to index.
 
+The following subcommands are available:
+
 write::
-       When given as the verb, write a new MIDX file to
-       `<dir>/packs/multi-pack-index`.
+       Write a new MIDX file.
 
 verify::
-       When given as the verb, verify the contents of the MIDX file
-       at `<dir>/packs/multi-pack-index`.
+       Verify the contents of the MIDX file.
+
+expire::
+       Delete the pack-files that are tracked  by the MIDX file, but
+       have no objects referenced by the MIDX. Rewrite the MIDX file
+       afterward to remove all references to these pack-files.
 
 
 EXAMPLES