We point out a flaw in Lemma 15 of . We also indicate how the main results of that section are still valid using a modified argument.
"Corrigendum to “Classification with asymmetric label noise: Consistency and maximal denoising”." Electron. J. Statist. 12 (1) 1779 - 1781, 2018. https://doi.org/10.1214/18-EJS1422