Fix spelling of conference name
Fix spelling of conference name

PyconUK/pyconuk.org,PyconUK/pyconuk.org,PyconUK/2015.pyconuk.org,sixty-north/pyconuk.org,PyconUK/pyconuk.org,sixty-north/pyconuk.org,sixty-north/pyconuk.org,PyconUK/2015.pyconuk.org,PyconUK/2015.pyconuk.org