update file headers
diff --git a/serial/urlhandler/protocol_alt.py b/serial/urlhandler/protocol_alt.py
index 3a7a0e0..57c1c4e 100644
--- a/serial/urlhandler/protocol_alt.py
+++ b/serial/urlhandler/protocol_alt.py
@@ -1,11 +1,9 @@
#! python
#
-# Python Serial Port Extension for Win32, Linux, BSD, Jython
-# see __init__.py
-#
-# This module implements a special URL handler that allows selection of
+# This module implements a special URL handler that allows selecting an
# alternate implementation provided by some backends.
#
+# This file is part of pySerial. https://github.com/pyserial/pyserial
# (C) 2015 Chris Liechti <cliechti@gmx.net>
#
# SPDX-License-Identifier: BSD-3-Clause