diff --git a/pkgs/development/haskell-modules/lib.nix b/pkgs/development/haskell-modules/lib.nix
index 192a531e5d14..4d0954a5d7af 100644
--- a/pkgs/development/haskell-modules/lib.nix
+++ b/pkgs/development/haskell-modules/lib.nix
@@ -86,11 +86,11 @@ rec {
      future.
 
      Instead of jailbreaking, you can patch the cabal file.
-     
+
      Note that jailbreaking at this time, doesn't lift bounds on
-     conditional branches. 
+     conditional branches.
      https://github.com/peti/jailbreak-cabal/issues/7 has further details.
-     
+
    */
   doJailbreak = drv: overrideCabal drv (drv: { jailbreak = true; });