Alan Watson (UNAM) reports: The position of the optical counterpart given by Angulo et al. (GCN 42880) was not given completely correctly. The position was given correctly in sexagesimal but not in degrees. The correct position is: RA(J2000) = 14:57:18.88 = 224.3286 degrees Dec(J2000) = +79:17:34.8 = 79.2930 degrees We apologize for this error. We thank Huali Li for bringing this mistake to our attention.