cleanup discord adapter artifacts

README.md

@@ -2,9 +2,9 @@ v2 architecture draft: see `docs/architecture-v2.org`
 
 build and run the docker container
 ```
-api_token = [discord bot token]
+DISCORD_BOT_TOKEN = [discord bot token]
 -v [downloads]:/downloads
--v [config]:/config
-```
-config contains data to persist across container updates, i.e., unraid appdata, 
-such as users.json (authorized users) and yt-dlp's archive.txt
+-v [config]:/config
+```
+config contains data to persist across container updates, i.e., unraid appdata, 
+such as yt-dlp's archive.txt