diff --git a/README.md b/README.md
index d5e4d45..242a9d7 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,6 @@ Labels: 53 named entity classes (one label per unique character) with 3 position
 
 Dataset author: Dr Marek Kubis (marek.kubis@amu.edu.pl)
 
-Challenge authors: https://csi.amu.edu.pl/zespoly/zespol-lingwistyki-diachronicznej
+Challenge authors: Kacper Dudzic (kacper.dudzic@amu.edu.pl)
 
 License: CC BY-NC 4.0