Documentation/git.txt: GIT 1.6.2.2 has been out for a while

These links inside "stalenotes" section need to be updated on the master
branch every time a new stable or maintenance release is made.

Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/Documentation/git.txt b/Documentation/git.txt
index 2ce5e6b..eca29f0 100644
--- a/Documentation/git.txt
+++ b/Documentation/git.txt
@@ -43,9 +43,10 @@
 branch of the `git.git` repository.
 Documentation for older releases are available here:
 
-* link:v1.6.2.1/git.html[documentation for release 1.6.2.1]
+* link:v1.6.2.2/git.html[documentation for release 1.6.2.2]
 
 * release notes for
+  link:RelNotes-1.6.2.2.txt[1.6.2.2],
   link:RelNotes-1.6.2.1.txt[1.6.2.1],
   link:RelNotes-1.6.2.txt[1.6.2].