EN
We give a corrected proof of Theorem 2.10 in our paper "Commutators on $(∑ℓ_{q})_{p}$" [Studia Math. 206 (2011), 175-190] for the case 1 < q < p < ∞. The case when 1 = q < p < ∞ remains open. As a consequence, the Main Theorem and Corollary 2.17 in that paper are only valid for 1 < p,q < ∞.