diff --git a/nixos/doc/manual/release-notes/rl-2505.section.md b/nixos/doc/manual/release-notes/rl-2505.section.md
index f3a58367e055f..4ca2439f2daaf 100644
--- a/nixos/doc/manual/release-notes/rl-2505.section.md
+++ b/nixos/doc/manual/release-notes/rl-2505.section.md
@@ -87,6 +87,8 @@
 
 - `nodePackages.ganache` has been removed, as the package has been deprecated by upstream.
 
+- `titaniumenv`, `titanium`, and `titanium-alloy` have been removed due to lack of maintenance in Nixpkgs.
+
 - `containerd` has been updated to v2, which contains breaking changes. See the [containerd
   2.0](https://github.com/containerd/containerd/blob/main/docs/containerd-2.0.md) documentation for more
   details.