diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index c83e967fa31..66e919aef98 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -116,7 +116,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   # GHC version, change the "preferences function" for that GHC version
   # in haskell-defaults.nix.
 
-  # NOTE: 2012.2.0.0 is the current default.
+  # NOTE: 2012.4.0.0 is the current default.
 
   haskellPlatformArgs_future = self : {
     inherit (self) cabal ghc;