1 files changed, 17 insertions, 7 deletions
diff --git a/dsp.c b/dsp.c
index b1bdacef0..3bbc93791 100755
--- a/dsp.c
+++ b/dsp.c
@@ -1,18 +1,28 @@
 /*
- * Asterisk -- A telephony toolkit for Linux.
+ * Asterisk -- An open source telephony toolkit.
  *
- * Convenience Signal Processing routines
- * 
- * Copyright (C) 2002, Digium
+ * Copyright (C) 1999 - 2005, Digium, Inc.
  *
  * Mark Spencer <markster@digium.com>
  *
- * This program is free software, distributed under the terms of
- * the GNU General Public License.
- *
  * Goertzel routines are borrowed from Steve Underwood's tremendous work on the
  * DTMF detector.
  *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*
+ *
+ * Convenience Signal Processing routines
+ * 
  */
 
 /* Some routines from tone_detect.c by Steven Underwood as published under the zapata library */