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