diff --git a/pkgs/README.md b/pkgs/README.md
index 3a4b8b3cb67f..f907d79ef348 100644
--- a/pkgs/README.md
+++ b/pkgs/README.md
@@ -75,7 +75,7 @@ Now that this is out of the way. To add a package to Nixpkgs:
 
    - GNU cpio: [`pkgs/tools/archivers/cpio/default.nix`](tools/archivers/cpio/default.nix). Also a simple package. The generic builder in `stdenv` does everything for you. It has no dependencies beyond `stdenv`.
 
-   - GNU Multiple Precision arithmetic library (GMP): [`pkgs/development/libraries/gmp/5.1.x.nix`](development/libraries/gmp/5.1.x.nix). Also done by the generic builder, but has a dependency on `m4`.
+   - GNU Multiple Precision arithmetic library (GMP): [`pkgs/development/libraries/gmp`](development/libraries/gmp). Also done by the generic builder, but has a dependency on `m4`.
 
    - Pan, a GTK-based newsreader: [`pkgs/applications/networking/newsreaders/pan/default.nix`](applications/networking/newsreaders/pan/default.nix). Has an optional dependency on `gtkspell`, which is only built if `spellCheck` is `true`.