Correction to: Nature Immunology https://doi.org/10.1038/s41590-020-0654-0, published online 13 April 2020.

In the version of this article initially published, in the Competing interests declaration, the competing interests for J.W. and X.J. were omitted. J.W. and X.J. are the coinventors of a patent (WO2016025382A8 and US201462035400P) related to the glutathione probes used in this study. J.W. is the cofounder of CoActigon Inc. and Chemical Biology Probes LLC. The error has been corrected in the HTML and PDF versions of the article.