diff --git a/mautrix_telegram/matrix.py b/mautrix_telegram/matrix.py
index 9c9eb0b2..770e832f 100644
--- a/mautrix_telegram/matrix.py
+++ b/mautrix_telegram/matrix.py
@@ -174,7 +174,8 @@ async def handle_join(self, room_id: RoomID, user_id: UserID, event_id: EventID)
             await portal.main_intent.kick_user(
                 room_id,
                 user.mxid,
-                "This chat does not have a bot relaying messages for unauthenticated users.",
+                "This chat does not have a bot on the Telegram side for relaying messages sent by"
+                " unauthenticated Matrix users.",
             )
             return