diff --git a/README.mkd b/README.mkd
index 37a7a4d..e2e647f 100644
--- a/README.mkd
+++ b/README.mkd
@@ -116,5 +116,5 @@ Copyright Andrew Stewart, AirBlade Software Ltd.  Released under the MIT licence
   [gge]: https://github.com/syohex/emacs-git-gutter
   [iwd]: https://bitbucket.org/sirpengi/iwilldiffer
   [svndiff]: http://www.vim.org/scripts/script.php?script_id=1881
-  [sign-diff]: http://www.vim.org/scripts/script.php?script_id=2712
+  [signdiff]: http://www.vim.org/scripts/script.php?script_id=2712
   [changes]: http://www.vim.org/scripts/script.php?script_id=3052