diff --git a/examples/docker-compose/docker-compose.override.example.yml b/examples/docker-compose/docker-compose.override.example.yml
index 709ce29..eb89daf 100644
--- a/examples/docker-compose/docker-compose.override.example.yml
+++ b/examples/docker-compose/docker-compose.override.example.yml
@@ -88,3 +88,9 @@ services:
       - EXTDATA=False
       # Integrate external TTS-Bot (see https://gitlab.com/gpvkt/twitchtts/)
       - TTS=False
+      # Proxy URL for TTS bot (must end on /tts)
+      - TTS_URL=https://example.com/tts
+      # Parent window URL for Twitch chat embed
+      - TWITCH_CHAT_PARENT=example.com&parent=localhost
+      # Lets Encrypt SSL Certificate Domain (singular)
+      - LETSENCRYPT_DOMAIN=example.com