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:documentTypeUpdated xmlns:ns="http://outerx.org/daisy/1.0";>
  <ns:oldDocumentType>
    <ns:documentType updateCount="1" deprecated="false" name="FAQ" 
lastModifier="109" lastModified="2006-03-01T13:13:08.000Z" id="8">
      <ns:labels>
        <ns:label locale="en">FAQ</ns:label>
        <ns:label locale="">FAQ</ns:label>
      </ns:labels>
      <ns:descriptions>
        <ns:description locale="en">Frequently Asked Question</ns:description>
        <ns:description locale="">Frequently Asked Question</ns:description>
      </ns:descriptions>
      <ns:partTypeUses>
        <ns:partTypeUse required="true" partTypeId="2"/>
      </ns:partTypeUses>
      <ns:fieldTypeUses/>
    </ns:documentType>
  </ns:oldDocumentType>
  <ns:newDocumentType>
    <ns:documentType updateCount="2" deprecated="false" name="FAQ" 
lastModifier="109" lastModified="2006-03-01T13:13:24.036Z" id="8">
      <ns:labels>
        <ns:label locale="en">FAQ</ns:label>
        <ns:label locale="">FAQ</ns:label>
      </ns:labels>
      <ns:descriptions>
        <ns:description locale="en">Frequently Asked Question</ns:description>
        <ns:description locale="">Frequently Asked Question</ns:description>
      </ns:descriptions>
      <ns:partTypeUses>
        <ns:partTypeUse required="true" partTypeId="2"/>
      </ns:partTypeUses>
      <ns:fieldTypeUses>
        <ns:fieldTypeUse required="true" fieldTypeId="4"/>
      </ns:fieldTypeUses>
    </ns:documentType>
  </ns:newDocumentType>
</ns:documentTypeUpdated>