diff --git a/adb/adb_protocol.py b/adb/adb_protocol.py
index 3a729e4..7d95510 100644
--- a/adb/adb_protocol.py
+++ b/adb/adb_protocol.py
@@ -277,8 +277,8 @@ def Connect(cls, usb, banner=b'notadb', rsa_keys=None, auth_timeout_ms=100):
       InvalidResponseError: When the device does authentication in an
           unexpected way.
     """
-    # In py3/py2, convert unicode/str to bytes. It's joined into a byte string.
-    # In py2, this ends up kind of being a no-op.
+    # In py3, convert unicode to bytes. In py2, convert str to bytes.
+    # It's later joined into a byte string, so in py2, this ends up kind of being a no-op.
     if isinstance(banner, str):
         banner = bytearray(banner, 'utf-8')
     msg = cls(