--- a/README	Wed Jan 09 22:02:00 2013 +0100
+++ b/README	Wed Jan 09 22:31:38 2013 +0100
@@ -72,6 +72,9 @@
 txJSON-RPC:
 Libervia use txJSON-RPC (https://launchpad.net/txjsonrpc), a twisted library to communicate with the browser's javascript throught JSON-RPC
 
+Mutagen:
+Mutagen (https://code.google.com/p/mutagen/) is an audio metadata handling library, it's use by the radiocol plugin.
+
 pictures found in frontends/src/wix/images/crystal/:
 These pictures come from Crystal clear, were made by Everaldo Coelho (www.everaldo.com) and YellowIcon (www.yellowicon.com). They are under LGPL V3 licence (see frontends/src/wix/images/COPYING.LESSER).
 Found on http://commons.wikimedia.org/wiki/File:Crystal_Clear_app_browser.png and http://commons.wikimedia.org/wiki/File:Crystal_Clear_app_cache.png