The document titled "Correction to: Karlleuite Ca2MnO4 – a first mineral with the Ruddlesden-Popper type structure from Bellerberg volcano, Germany" in the journal Mineralogy & Petrology addresses errors in the original article. The corrections involve the structure of authors' names, the addition of Biljana Krüger as a corresponding author, and the removal of e-mail addresses. The corrected version of the article is now available online.