2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/152857Upon presenting the proof of Theorem 3.3 in "Maximal chains in $$ and ultrapowers of the integers" I discovered that it is not entirely correct and certainly some details should be added. I have therefore written an addendum to the paper and made it available by ftp. Unfortunately the published version will be somewhat wanting.LogicAddendum to ``Maximal Chains in $\fomom$ and Ultrapowers of the Integers''text