Accuracy & updates
Corrections
How material changes are reflected in our articles.
Factual corrections
A correction that materially changes the meaning of a published claim should be explained in the affected article. The article will also show an updated date.
Source context
Corrections should preserve the dates, units and scope of the underlying source material. Revised data should be distinguished from an error in the original article.
Our editorial policy explains our approach to sources, attribution and updates.
