diff --git a/nixos/doc/manual/release-notes/rl-2505.section.md b/nixos/doc/manual/release-notes/rl-2505.section.md
index d98e9aa36425..a708a22fb550 100644
--- a/nixos/doc/manual/release-notes/rl-2505.section.md
+++ b/nixos/doc/manual/release-notes/rl-2505.section.md
@@ -48,6 +48,10 @@
 
 - `nodePackages.webpack-dev-server` has been removed, as it should be installed in projects that use it instead.
 
+- `racket_7_9` has been removed, as it is insecure. It is recommended to use Racket 8 instead.
+
+- `fluxus` has been removed, as it depends on `racket_7_9` and had no updates in 9 years.
+
 - The behavior of the `networking.nat.externalIP` and `networking.nat.externalIPv6` options has been changed. `networking.nat.forwardPorts` now only forwards packets destined for the specified IP addresses.
 
 - `nodePackages.meshcommander` has been removed, as the package was deprecated by Intel.