The Lagrangian in eq. (2.1) of JHEP11 (2020) 005 has an erroneous factor of 1/2. The analysis code used for the results reported in the paper does not have this factor. The results remain unchanged.

Erratum: Search for new non-resonant phenomena in high-mass dilepton final states with the ATLAS detector (Journal of High Energy Physics, (2020), 2020, 11, (5), 10.1007/JHEP11(2020)005)

Cavasinni V.;Di Gregorio G.;Francavilla P.;