In the June 2018 editorial by Clare J Taylor, et al. Atrial fibrillation and stroke prevention: where we are and where we should be. Br J Gen Pract 2018; DOI: https://doi.org/10.3399/bjgp18X696257, reference 4 in the article is incorrect; it should be Robson J, Homer K, Ahmed Z, Antoniou S. Variation in anticoagulation for atrial fibrillation between English clinical commissioning groups: an observational study. Br J Gen Pract 2018; DOI: https://doi.org/10.3399/bjgp18X697913. The online version has been corrected.