diff --git a/doc/index.mdwn b/doc/index.mdwn
index 9536ee148b..fd166212ed 100644
--- a/doc/index.mdwn
+++ b/doc/index.mdwn
@@ -39,7 +39,7 @@ files with git.
 
 ----
 
-git-annex is [[Free Software|license]], written in Haskell.
+git-annex is [[Free Software|license]], written in [Haskell](http://www.haskell.org/).
 You can [[contribute]]!
 
 git-annex's wiki is powered by [Ikiwiki](http://ikiwiki.info/) and