| Abstract
| - Aims. A small error was recently found in the program used to compute the integrated intensities in the article Belloche et al. (2008, A&A, 482, 179). Methods. We provide new versions of Fig. 2 and Tables 3, 5, and 7 with the correct integrated intensities. Results. The conclusions drawn by Belloche et al. (2008) are not significantly affected by these corrections. Only the mass, density, and central H 2 column density of the compact source emitting the amino acetonitrile lines appear to have been underestimated by 30-40%. This led to an overestimate of the abundance of amino acetonitrile by the same amount. However, the magnitude of this correction is less than the estimated uncertainties on these parameters.
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