Molecular gas in two companion cluster galaxies at z = 1.2 (Corrigendum) G. Castignani, F. Combes, P. Salomé, S. Andreon, M. Pannella, I. Heywood, G. Trinchieri, C. Cicone, L. J. M. Davies, F. N. Owen and A. Raichoor A&A, 620 (2018) C4 Published online: 14 December 2018 DOI: 10.1051/0004-6361/201832887e