The article "Bulk monocrystal growth, optical, dielectric, third order nonlinear, thermal and mechanical studies on HCl added L-alanine: an organic NLO material" Materials Chemistry and Physics, 184 (2016) 12-22] contains some error in the data provided in the Table 1. The authors of the paper believe that this may affect the proper understanding of the proposed results. (C) 2016 Elsevier B.V. All rights reserved.