The chemistry and spatial distribution of small hydrocarbons in UV-irradiated molecular clouds: the Orion Bar PDR (Corrigendum)S. Cuadrado, J. R. Goicoechea, P. Pilleri, J. Cernicharo, A. Fuente and C. JoblinA&A, 579 (2015) C1DOI: https://doi.org/10.1051/0004-6361/201424568e