diff --git a/README.md b/README.md
index 42eb813..bb1c057 100644
--- a/README.md
+++ b/README.md
@@ -22,6 +22,12 @@ RustDesk clients (anywhere)
 
 All durable state (the `id_ed25519` server key pair and the sled database) lives on a **standalone, RETAINed** EBS data volume, never an inline block device, so it survives instance replacement and stack deletion. See [RUNBOOK.md](RUNBOOK.md).
 
+## Documentation
+
+The canonical map of Sea Haven's AWS infrastructure lives in Confluence. This project's `rustdesk-server` stack is represented there as a Mermaid subgraph.
+
+- **[AWS Architecture Map](https://seahaven.atlassian.net/wiki/spaces/IT/pages/1540098)** (Confluence, IT space, page 1540098)
+
 ## Ports
 
 | Port | Proto | Purpose | Exposure |