Correction to: Nature Methods https://doi.org/10.1038/nmeth.4605, published online 19 February 2018.

In the Software Availability section, the link to https://bitbucket.org/rhenriqueslab/nanoj-squirrel is obsolete. Code is now available at https://github.com/HenriquesLab/NanoJ-SQUIRREL. The link has not been corrected in the original article.