Update git-archive documentation

Documentation/git-archive.txt: Document -v/--verbose option.
Add -l as short form of --list.

Signed-off-by: Andrew Ruder <andy@aeruder.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/Documentation/git-archive.txt b/Documentation/git-archive.txt
index 493474b..59dfabe 100644
--- a/Documentation/git-archive.txt
+++ b/Documentation/git-archive.txt
@@ -32,9 +32,12 @@
 --format=<fmt>::
 	Format of the resulting archive: 'tar', 'zip'...
 
---list::
+--list, -l::
 	Show all available formats.
 
+--verbose, -v::
+	Report progress to stderr.
+
 --prefix=<prefix>/::
 	Prepend <prefix>/ to each filename in the archive.