diff --git a/pkgs/development/haskell-modules/lib.nix b/pkgs/development/haskell-modules/lib.nix
index f5713b6cd20..289fa4b7736 100644
--- a/pkgs/development/haskell-modules/lib.nix
+++ b/pkgs/development/haskell-modules/lib.nix
@@ -385,8 +385,8 @@ rec {
   # Utility to convert a directory full of `cabal2nix`-generated files into a
   # package override set
   #
-  # readDirectory : Directory -> HaskellPackageOverrideSet
-  readDirectory =
+  # packagesFromDirectory : Directory -> HaskellPackageOverrideSet
+  packagesFromDirectory =
     { directory }:
 
     self: super: