Correction to: Nature https://doi.org/10.1038/s41586-021-03544-wPublished online 9 June 2021

In this Article, the ‘Code availability’ section has been updated from: “The code used to generate these data is available from the corresponding authors upon reasonable request” to: “The code used to generate these data is available in the following GitHub repository: https://github.com/google-research/circuit_training”. The original Article has been corrected online