In the Invited Commentary titled “Are Observational, Real-World Studies Suitable to Make Cancer Treatment Recommendations?”[1] published July 30, 2020, there were errors in 6 parts of the text where the terms propensity score–matched and propensity score–matching were incorrectly used. The terms should have instead been propensity-weighted and propensity score–weighting, respectively. This article has been corrected.[1]