This is a correction to: Collin McLeod, D. John Hillier, Luc Dessart, Carbon monoxide cooling in radiative transfer modelling of supernovae, Monthly Notices of the Royal Astronomical Society, Volume 532, Issue 1, July 2024, Pages 549–562, 10.1093/mnras/stae1513.

The originally published version of this manuscript has been corrected to add the following acknowledgement statement:

CM and DJH gratefully acknowledge partial support through NASA astro-physical theory grant 80NSSC20K0524. DJH also acknowledges partial support from the STScI through grant HST-AR-16131.001-A.

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