Correct spelling: Buerki => Bürki.

pages/index/8.php

@@ -21,7 +21,7 @@ Nick Bebout - <?=_("President")?><br/>
 Mark Lipscombe - <?=_("Vice-President")?><br/>
 Philipp Dunkel - <?=_("Secretary")?><br/>
 Ernestine Schwob - <?=_("Treasurer")?><br/>
-Andreas Buerki - <?=_("member")?><br/>
+Andreas B&uuml;rki - <?=_("member")?><br/>
 Guillaume Romagny - <?=_("member")?><br/>
 Ian Grigg - <?=_("member")?><br/>
 Robert Cruikshank - <?=_("Public Officer")?><br/>