diff --git a/docs/infrastructure/production-compose.md b/docs/infrastructure/production-compose.md
index 75b513c3..cf873bfe 100644
--- a/docs/infrastructure/production-compose.md
+++ b/docs/infrastructure/production-compose.md
@@ -12,11 +12,11 @@ The original spec in this doc proposed an overlay pattern (`docker compose -f do
 
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-## Observability stack — not yet deployed
+## Observability stack
 
-Prometheus, Loki, Grafana, Alertmanager, Uptime Kuma, GlitchTip and ntfy are **not** part of the production deployment that #497 landed. They are tracked as follow-up issue #498.
+The observability stack (Prometheus, Loki, Grafana, Tempo, GlitchTip) ships as a separate `docker-compose.observability.yml` alongside the main stack. Configuration lives under `infra/observability/`.
 
-When that lands the observability containers will join `docker-compose.prod.yml` under a dedicated profile so they can be operated alongside the application stack without affecting the application containers' restart cycle.
+→ See [docs/DEPLOYMENT.md §4](../DEPLOYMENT.md#4-logs--observability) for the full setup procedure, service URLs, first-run steps, and env var reference.
 
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