Comment on "Time delays in molecular photoionization"

In a recent article by P. Hockett $\mathit{\text{et}}\mathit{\text{al.}}$, time delays arising in the context of molecular single-photon ionization are investigated from a theoretical point of view. We argue that one of the central equations derived in the paper is incorrect and present a reformulation that is consistent with the established treatment of angle-dependent scattering delays.