diff --git a/telethon/network/connection/tcpmtproxy.py b/telethon/network/connection/tcpmtproxy.py
index 26f58184..81c2b500 100644
--- a/telethon/network/connection/tcpmtproxy.py
+++ b/telethon/network/connection/tcpmtproxy.py
@@ -146,7 +146,7 @@ class TcpMTProxy(ObfuscatedConnection):
                 secret = secret + "=="
                 secret_bytes = base64.b64decode(secret.encode())
 
-        return secret_bytes[:16] # Remove the domain from the secret (until domain support is added)
+        return secret_bytes[:16]  # Remove the domain from the secret (until domain support is added)
 
 class ConnectionTcpMTProxyAbridged(TcpMTProxy):
     """