1 Department of Applied Physics, Aalto University, 00076 Aalto, Finland. juha.koivisto@aalto.fi.
2 Department of Applied Physics, Aalto University, 00076 Aalto, Finland. juha.koivisto@aalto.fi and Department of Physics and Astronomy, University College London, UK.
Correction for 'Chlamydomonas reinhardtii swimming in the Plateau borders of 2D foams' by Oskar Tainio et al., Soft Matter, 2021, 17, 145-152, DOI: 10.1039/D0SM01206H.