Correction to: Nature Biotechnology https://doi.org/10.1038/s41587-021-00955-y, published online 10 June 2021.

In the version of this article initially published, an organization name was given as the Cure Huntington’s Disease Initiative (CHDI) Foundation. The name has been changed to simply the CHDI Foundation. The error has been corrected in the PDF and HTML versions of the article.