diff --git a/pkgs/development/haskell-modules/hackage-packages.nix b/pkgs/development/haskell-modules/hackage-packages.nix
index 21d065b4a97d..d51eb0c311a1 100644
--- a/pkgs/development/haskell-modules/hackage-packages.nix
+++ b/pkgs/development/haskell-modules/hackage-packages.nix
@@ -17394,7 +17394,7 @@ self: {
        version = "0.0.5";
        sha256 = "0p46b105lixbxqjz8pwxf4asl4s7zdh2ss3nvgmp1rclqfg6cwrq";
        libraryHaskellDepends = [ base ];
-       description = "Pure haskell Red-Black-Tree implemetation";
+       description = "Pure haskell Red-Black-Tree implementation";
        license = lib.licenses.bsd3;
      }) {};