The article “The Second Stage of BTN Neutron Space Experiment onboard the Russian Section of the International Space Station: the BTN-M2 Instrument”, written by M. I. Mokrousov, I. G. Mitrofanov, A. A. Anikin, D. V. Golovin, N. E. Karpushkina, A. S. Kozyrev, M. L. Litvak, A. V. Malakhov, A. N. Pekov, A. B. Sanin, and V. I. Tretyakov, was originally published electronically in Springer-Link on October 03, 2022 without Open Access. After publication in volume 60, issue 5, pages 387–396, the authors decided to make the article an Open Access publication. Therefore, the copyright of the article has been changed to © The Author(s) 2022 and the article is forthwith distributed under the terms of a Creative Commons Attribution 4.0 International License (, CC BY), which permits use, duplication, adaptation, distribution and reproduction of a work in any medium or format, as long as you cite the original author(s) and publication source, provide a link to the Creative Commons license, and indicate if changes were made.