diff --git a/vibe/ADR/0002-per-application-environments.md b/vibe/ADR/0002-per-application-environments.md
index 31099be..8d2e85e 100644
--- a/vibe/ADR/0002-per-application-environments.md
+++ b/vibe/ADR/0002-per-application-environments.md
@@ -94,4 +94,4 @@ The two ADRs are therefore complementary, not contradictory, and ADR-0002 does n
 - [new-web-app conventions](../../doc/runbooks/new-web-app/conventions.md) — the single-env `<app>` convention this ADR extends with the env coordinate.
 - [Phase A — `tools` Vault module env parameter](https://gitea.arcodange.lab/arcodange-org/tools/pulls/2) — adds the optional `env` / `envs` parameter to the shared `app_roles` and `app_policy` modules.
 - [Phase C — `erp` chart literal templating](https://gitea.arcodange.lab/arcodange-org/erp/pulls/11) — templates the chart's single-env literals to `.Values` so one chart renders any instance.
-- PR that introduces this ADR: _to be linked once opened_ (the PR description must link back to this ADR — bidirectional).
+- [PR factory#15 — this ADR](https://gitea.arcodange.lab/arcodange-org/factory/pulls/15) — the change that introduces ADR-0002 (links back to this file).