  As recently pointed out by Gabe, a fundamental paper by Elliott and
Kucerovsky concerning the absorption theory for C*-algebras contains an error,
and as a consequence we must report that Lemma 4.5 in "Classifying C*-algebras
with both finite and infinite subquotients" J. Funct. Anal. 265 (2013), no. 3,
449--468 is not true as stated. In this corrigendum, we prove an adjusted
statement and explain why the error has no consequences to the main results of
that paper. In particular, it is noted that all the authors' claims concerning
Morita equivalence or stable isomorphism of graph C*-algebras remain correct as
stated.
