2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/142024We provide some necessary details to several arguments appearing in our previous paper ``Canonical bases for quantum generalized Kac-Moody algebras''. We also make the link with some other work on the same subject.7 pagesQuantum AlgebraAddendum to ``Canonical bases for quantum generalized Kac-Moody algebras''text