diff --git a/docs/opencode_server_guide.md b/docs/opencode_server_guide.md
index 02e08fc..9c0fdb3 100644
--- a/docs/opencode_server_guide.md
+++ b/docs/opencode_server_guide.md
@@ -72,6 +72,12 @@ settings set opencc.password secret
 settings save
 ```
 
+Optional — override the Basic Auth username (default `opencode`):
+```lua
+settings set opencc.username myuser
+settings save
+```
+
 - **CraftOS-PC (localhost):** `http://127.0.0.1:4096`
 - **In-game ATM10:** use your LAN IP (e.g. `192.168.x.x`) — add it to `http.rules` in `config/computercraft-server.toml`
 
@@ -101,7 +107,7 @@ Set settings inside the harness before running, or inject them via the test API.
 |---|---|---|
 | `missing opencc.server_url` | Setting not set | `settings set opencc.server_url http://...` |
 | `serveur injoignable` | Server not running or wrong URL | Start `opencode serve`, check URL/port |
-| `HTTP 401` | Wrong password | Check `opencc.password` matches `OPENCODE_SERVER_PASSWORD` |
+| `erreur message: HTTP 401` | Wrong password | Check `opencc.password` matches `OPENCODE_SERVER_PASSWORD` |
 | `session introuvable; lance: ai-helloworld --new` | Session was deleted or server restarted | Run `ai-helloworld --new` |
-| `HTTP 504` | AI took too long | Retry; consider a faster model |
+| `erreur message: HTTP 504` | AI took too long | Retry; consider a faster model |
 | `reponse vide` | Reply had no text parts | Check opencode logs |