diff --git a/README.md b/README.md
index 9dd5306..2c614c8 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,11 @@
 # automation1 services
 
-Git-managed Compose stack for Vaultwarden and Uptime Kuma on `automation1`. Runtime variables are stored in Dockhand and are not committed.
+Git-managed Docker Compose stack for the existing automation1 services and the authenticated TTS bridge.
+
+## TTS bridge
+
+- Listen address: `0.0.0.0:8099`
+- Health: `GET /health`
+- Voiceclone: `POST /v1/tts` with bearer authentication
+- Default voice: `deep_thought.mp3`
+- Secrets stay host-local under `/app-config/tts-bridge/` and are never committed.