diff --git a/pyrogram/connection/connection.py b/pyrogram/connection/connection.py
index b4705fca..a9aba7c1 100644
--- a/pyrogram/connection/connection.py
+++ b/pyrogram/connection/connection.py
@@ -28,6 +28,7 @@ class Connection:
     MAX_RETRIES = 3
 
     MODES = {
+        # TODO: Implement other protocols using asyncio
         0: TCPFull,
         1: TCPAbridged,
         2: TCPIntermediate,