Erratum: Corrigendum to “On a lemma of Crochemore and Rytter” (Journal of Discrete Algorithms (2016) 38(41) (50–51) (S1570866715000593) (10.1016/j.jda.2015.05.006))

The erratum concerns the following changes: Lemma 3, Corollary 4 and relevant changes in their proofs, the Conclusion, and an acknowledgment to our Ph.D. student, Adrien Thierry, who pointed out the inconsistency. Lemma 3 (page 19) should be replaced by