Correction to 'Complex photonic response reveals three-dimensional self-organization of structural coloured bacterial colonies'. Issue 174 (27th January 2021) - Schertel, Lukas; van de Kerkhof, Gea T.; Jacucci, Gianni; Catón, Laura; Ogawa, Yu; Wilts, Bodo D.; Ingham, Colin J.; Vignolini, Silvia; Johansen, Villads E.