Corrigendum: Silica‐Supported Au–Ag Catalysts for the Selective Hydrogenation of Butadiene. Issue 20 (23rd October 2017) - Masoud, Nazila; Delannoy, Laurent; Calers, Christophe; Gallet, Jean‐Jacques; Bournel, Fabrice; de Jong, Krijn P.; Louis, Catherine; de Jongh, Petra E.