diff --git a/README.md b/README.md
index d0d13c0..833169d 100644
--- a/README.md
+++ b/README.md
@@ -190,7 +190,7 @@ There are some usability improvements such as
 - [Nix#8602] Restricted form of "recursive Nix", to give people better incentives / guardrails.
   (Imperatively requesting builds from inside a build is a sledgehammer, and probably not one we'd ever want to allow in Nixpkgs, for example.
 
-- @roberth's idea (which we have yet to talk about) of derivations that return deriving paths rather than store paths
+- [Nix#12727] @roberth's idea (which we have yet to talk about) of derivations that return deriving paths rather than store paths
 
 But I don't think either of these will be too much work.
 Dynamic derivations is a relatively "cheap" extension to content-addressing derivations.
@@ -203,6 +203,7 @@ Dynamic derivations is a relatively "cheap" extension to content-addressing deri
 [Nix#11919]: https://github.com/NixOS/nix/issues/11919
 [Nix#11928]: https://github.com/NixOS/nix/issues/11928
 [Nix#12663]: https://github.com/NixOS/nix/issues/12663
+[Nix#12727]: https://github.com/NixOS/nix/issues/12727
 
 [Nix#12630]: https://github.com/NixOS/nix/pull/12630
 [Nix#12658]: https://github.com/NixOS/nix/pull/12658