Correction to: Nature https://doi.org/10.1038/s41586-023-06701-5 Published online 8 November 2023

In the version of the article initially published, there were relabelling errors in Figs. 2b and c and 3c and d, where “(CAG)22 + ALKBH3” appeared as “(CAG)22 + ALKBH1”. The errors have been corrected in the HTML and PDF versions of the article.