commit-graph: update design document

diff --git a/Documentation/git-tag.txt b/Documentation/git-tag.txt
index 956fc019f984bca1754a72dc0d7308b39a28445d..87c4288ffc47ddd73162c85a27fe22c161b4a441 100644 (file)
--- a/Documentation/git-tag.txt
+++ b/Documentation/git-tag.txt
@@ -9,7 +9,7 @@ git-tag - Create, list, delete or verify a tag object signed with GPG
 SYNOPSIS
 --------
 [verse]
-'git tag' [-a | -s | -u <keyid>] [-f] [-m <msg> | -F <file>]
+'git tag' [-a | -s | -u <keyid>] [-f] [-m <msg> | -F <file>] [-e]
        <tagname> [<commit> | <object>]
 'git tag' -d <tagname>...
 'git tag' [-n[<num>]] -l [--contains <commit>] [--no-contains <commit>]
@@ -34,8 +34,8 @@ in the tag message.
 If `-m <msg>` or `-F <file>` is given and `-a`, `-s`, and `-u <keyid>`
 are absent, `-a` is implied.
 
-Otherwise just a tag reference for the SHA-1 object name of the commit object is
-created (i.e. a lightweight tag).
+Otherwise, a tag reference that points directly at the given object
+(i.e., a lightweight tag) is created.
 
 A GnuPG signed tag object will be created when `-s` or `-u
 <keyid>` is used.  When `-u <keyid>` is not used, the
@@ -167,6 +167,12 @@ This option is only applicable when listing tags without annotation lines.
        Implies `-a` if none of `-a`, `-s`, or `-u <keyid>`
        is given.
 
+-e::
+--edit::
+       The message taken from file with `-F` and command line with
+       `-m` are usually used as the tag message unmodified.
+       This option lets you further edit the message taken from these sources.
+
 --cleanup=<mode>::
        This option sets how the tag message is cleaned up.
        The  '<mode>' can be one of 'verbatim', 'whitespace' and 'strip'.  The