-basis. Some files are under an uncertain license that may not be
-DFSG-compliant or GPL-compatible. Refer to each file for details.
+basis. Refer to each file for details.
+
+Files lib/sflow*.[ch] are licensed under the terms of either the
+Sun Industry Standards Source License 1.1, that is available at:
+ http://host-sflow.sourceforge.net/sissl.html
+or the InMon sFlow License, that is available at:
+ http://www.inmon.com/technology/sflowlicense.txt