describe: Document --match pattern format

It's not clear in git-describe(1) what kind of "pattern" should be passed to --match. Fix that. Signed-off-by: Greg Price <price@mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Greg Price committed Feb 25, 2013 at 00:29 UTC 52291497d1ea112137237e6c719e832599eab526
1 file changed +3 -2
Documentation/git-describe.txt
+3 -2
@@ -81,8 +81,9 @@ OPTIONS
81 that points at object deadbee....).
82
83 --match <pattern>::
84 - Only consider tags matching the given pattern (can be used to avoid
85 - leaking private tags made from the repository).
84 + Only consider tags matching the given `glob(7)` pattern,
85 + excluding the "refs/tags/" prefix. This can be used to avoid
86 + leaking private tags from the repository.
87
88 --always::
89 Show uniquely abbreviated commit object as fallback.