update file headers
diff --git a/serial/rfc2217.py b/serial/rfc2217.py
index be290ce..82cb066 100644
--- a/serial/rfc2217.py
+++ b/serial/rfc2217.py
@@ -1,12 +1,10 @@
#! python
#
-# Python Serial Port Extension for Win32, Linux, BSD, Jython
-# see __init__.py
-#
# This module implements a RFC2217 compatible client. RF2217 descibes a
# protocol to access serial ports over TCP/IP and allows setting the baud rate,
# modem control lines etc.
#
+# This file is part of pySerial. https://github.com/pyserial/pyserial
# (C) 2001-2015 Chris Liechti <cliechti@gmx.net>
#
# SPDX-License-Identifier: BSD-3-Clause