Correction to: A catalogue of cataclysmic variables from 20 yr of the Sloan Digital Sky Survey with new classifications, periods, trends, and oddities.

This document is a correction to an article titled "A catalogue of cataclysmic variables from 20 yr of the Sloan Digital Sky Survey with new classifications, periods, trends, and oddities" published in the Monthly Notices of the Royal Astronomical Society. The correction states that there were incorrect classifications of two cataclysmic variables (CVs) in Table 1 of the supplementary data. The CVs SDSSJ005217.22+315938.5 and SDSSJ162608.15+332827.7 were misclassified as a Polar and an AM CVn, respectively, when they should have been classified as an SU UMa and a Polar. The errors do not impact the analysis or conclusions of the article, and the supplementary material and machine-readable version are being updated to reflect the correction. [Extracted from the article]