Correction to: Nature Genetics https://doi.org/10.1038/s41588-017-0002-y; published online 4 December 2017.

In the version of this article initially published, in the Methods, the Gene Expression Omnibus accession code for H3K36me3 ChIP–seq data was incorrectly given as GSM1003585 instead of GSM733725. The error has been corrected in the HTML, PDF and print versions of the article.