Correction to: Nature https://doi.org/10.1038/s41586-020-2354-1, published online 17 June 2020.

In the print version of this Article, M. Holler, M. de Naurois, F. Rieger, D. A. Sanchez and A. M. Taylor should have been indicated as corresponding authors in the author list, all with email address contact.hess@hess-experiment.eu. Additionally, the line ‘Correspondence and requests for materials should be addressed to M.H., M.d.N., F.R., D.A.S. or A.M.T.’ should have been included at the end of the paper. The Article is correct online.