Correction for ‘Immobilized Ni on TMEDA@βSiO2@αSiO2@Fe3O4: as a novel magnetic nanocatalyst for preparation of pyrido[2,3-d:6,5-d′]dipyrimidines’ by Yasir Qasim Almajidiet al.,RSC Adv., 2023,13, 11393–11405,https://doi.org/10.1039/D3RA01720F.