This is an erratum to the paper 'The ultra-diffuse dwarf galaxies NGC 1052-DF2 and 1052-DF4 are in conflict with standard cosmol- ogy' published in MNRAS 489 (2), 2634-2651 (2019). Sentence number five in the abstract has been corrected for a small linguistic error which, if uncorrected, may lead to misunderstanding.
The complete abstract with the corrected sentence reads as follows: