git-describe.txt: document --always

sbeyer · gitster · commit a3800f66a647 · 2008-06-08T13:46:38.000-07:00
Signed-off-by: Stephan Beyer &lt;s-beyer@gmx.net&gt;
Signed-off-by: Junio C Hamano &lt;gitster@pobox.com&gt;
diff --git a/Documentation/git-describe.txt b/Documentation/git-describe.txt
@@ -70,6 +70,9 @@ OPTIONS
 	Only consider tags matching the given pattern (can be used to avoid
 	leaking private tags made from the repository).
 
+--always::
+	Show uniquely abbreviated commit object as fallback.
+
 EXAMPLES
 --------
 
