Astronomy: Correction for "X-ray processing of a realistic ice mantle can explain the gas abundances in protoplanetary disks," by Angela Ciaravella, Guillermo M. Muñoz Caro, Antonio Jiménez- Escobar, Cesare Cecchi-Pestellini, Li-Chieh Hsiao, Chao-Hui Huang, and Yu-Jung Chen, which was first published June 30, 2020; 10.1073/pnas.2005225117 (Proc. Natl. Acad. Sci. U.S.A. 117, 16149-16153). The authors note that Yu-Jung Chen should be listed as an additional corresponding author. The corrected correspondence footnote appears below. The online version has been corrected.