The formatting of a nice message for this event hasn't been implemented yet, so 
I'll just put an XML dump of the event here.

<ns:collectionUpdated xmlns:ns="http://outerx.org/daisy/1.0";>
  <ns:oldCollection>
    <ns:collection lastModifier="123" lastModified="2005-06-17T12:05:36.000Z" 
id="4" updatecount="1" name="documents"/>
  </ns:oldCollection>
  <ns:newCollection>
    <ns:collection lastModifier="123" lastModified="2005-06-17T12:08:43.448Z" 
id="4" updatecount="2" name="documentation"/>
  </ns:newCollection>
</ns:collectionUpdated>