Nature Reviews Genetics (2018) https://doi.org/10.1038/s41576-018-0059-1 Published online 15 October 2018

The originally published article contained errors in reference numbering throughout table 1 (DNA base editors and their approximate editing windows) due to the unintended propagation of reference numbering from an earlier version of the table. The article has now been corrected online. The editors apologize for this error.