Erratum to: Measurement of the W boson polarisation in ... events from pp collisions at ... in the lepton + jets channel with ATLAS. - Aaboud M; Aad G; Abbott B; Abdallah J; Abdinov O; Abeloos B; AbouZeid OS; Abraham NL; Abramowicz H; Abreu H; Abreu R; Abulaiti Y; et al. (The European physical journal. C, Particles and fields, 2019)