Schernhammer ES, Giovannucci E, Kawasaki T, et al. Dietary folate, alcohol and B vitamins in relation to LINE-1 hypomethylation in colon cancer. Gut 2010;59:794–9. In table 3, the correct unit for energy-adjusted daily vitamin B₁₂ intake was “mg per day”, but not “g per day”. This error did not alter the results (other than unit), interpretation of the data or the authors' conclusions.