[PATCH 8/8] describe docs: note that <commit> is optional

[Mark Lodato <lodatom@gmail.com>]

Signed-off-by: Mark Lodato <lodatom@gmail.com>
---
 Documentation/git-describe.txt |    3 ++-
 Documentation/gitcli.txt       |    2 +-
 builtin/describe.c             |    2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/Documentation/git-describe.txt b/Documentation/git-describe.txt
index ad173ed..8006d59 100644
--- a/Documentation/git-describe.txt
+++ b/Documentation/git-describe.txt
@@ -9,7 +9,7 @@ git-describe - Show the most recent tag that is reachable from a commit
 SYNOPSIS
 --------
 [verse]
-'git describe' [--all] [--tags] [--contains] [--abbrev=<n>] <commit>...
+'git describe' [--all] [--tags] [--contains] [--abbrev=<n>] [<commit>...]
 'git describe' [--all] [--tags] [--contains] [--abbrev=<n>] --dirty[=<mark>]
 
 DESCRIPTION
@@ -28,6 +28,7 @@ OPTIONS
 -------
 <commit>...::
 	Commit object names to describe.
+	If not given, defaults to HEAD.
 
 --dirty[=<mark>]::
 	Describe the working tree.
diff --git a/Documentation/gitcli.txt b/Documentation/gitcli.txt
index b56e7c3..e57f88c 100644
--- a/Documentation/gitcli.txt
+++ b/Documentation/gitcli.txt
@@ -81,7 +81,7 @@ couple of magic command line options:
 +
 ---------------------------------------------
 $ git describe -h
-usage: git describe [options] <commit>...
+usage: git describe [options] [<commit>...]
 
     --contains            find the tag that comes after the commit
     --debug               debug search strategy on stderr
diff --git a/builtin/describe.c b/builtin/describe.c
index 4b5a217..82da278 100644
--- a/builtin/describe.c
+++ b/builtin/describe.c
@@ -12,7 +12,7 @@
 #define MAX_TAGS	(FLAG_BITS - 1)
 
 static const char * const describe_usage[] = {
-	"git describe [options] <commit>...",
+	"git describe [options] [<commit>...]",
 	"git describe [options] --dirty",
 	NULL
 };
-- 
1.7.3.2