diff --git a/docs/agent-environment-orientation.md b/docs/agent-environment-orientation.md
index 6a04eea..edd93c5 100644
--- a/docs/agent-environment-orientation.md
+++ b/docs/agent-environment-orientation.md
@@ -31,7 +31,7 @@ Services are private by default (railiance-master ADR-0008) and are reached thro
 | OpenBao | `http://127.0.0.1:18200` | `openbao-ui-railiance01` |
 | k3s API | `https://127.0.0.1:16444` (`~/.kube/config` → `config-railiance01`) | `k3s-api-railiance01` |
 
-**Trap:** the shell default `BAO_ADDR=https://bao.coulomb.social` is **unreachable** from the workstation. Use `BAO_ADDR=http://127.0.0.1:18200` (and `VAULT_ADDR` the same) for any `bao` command.
+**Trap (fixed on the workstation 2026-09-22):** `BAO_ADDR`/`VAULT_ADDR` used to default to `https://bao.coulomb.social`, which is **unreachable**: it resolves to railiance01, but Traefik serves its default self-signed certificate there and no route matches the host (`-k` still gives 404). `~/.bashrc` now exports `http://127.0.0.1:18200` for both. A shell opened before that change, or any other host, still needs the prefix on every `bao` command. Whether the public name should exist at all is railiance-platform's call (hub message `e8ccbc2f`).
 
 ## 3. Permissions and the agent harness (Claude Code)