-"<a href=\"https://events.ccc.de/congress/2015/\">32nd Chaos Communication "
-"Congress</a>, December 27-30, 2015, Hamburg, Germany"
+"<a href=\"https://events.ccc.de/congress/2015/\">32<sup>nd</sup> Chaos "
+"Communication Congress</a>, December 27-30, 2015, Hamburg, Germany"