Erratum: “Excitation of Polycyclic Aromatic Hydrocarbon Emission: Dependence on Size Distribution, Ionization, and Starlight Spectrum and Intensity” (2021, ApJ, 917, 3) - B. T. Draine; Aigen Li; Brandon S. Hensley; L. K. Hunt; K. Sandstrom; J.-D. T. Smith (The Astrophysical Journal)