diff --git a/README.md b/README.md
index d97b9c4..9314e75 100644
--- a/README.md
+++ b/README.md
@@ -17,4 +17,6 @@ schedule it on your pc or your vps to run periodically: it will fetch your `mutu
 simple and easy!
 
 ## usage
-right now it's super crude: you must pass `<HOMESERVER> <USER_ID> <TOKEN>` as cli arguments to make it work, but next versions may include session storage and user_id resolution
+right now it's super crude: you must pass `<HOMESERVER> <AUTH_TOKEN> <YOUR_USER_ID>` as cli arguments to make it work, but next versions may include session storage and user_id resolution
+
+note that user_id is underlying id, not your fully qualified name!