diff --git a/Examples/data/README.md b/Examples/data/README.md
index 7b7f0cf6fbac917a4d3e634182078e4c04097b2e..c47c82be534f25c400ef62b611d1c2f3ab6826c8 100644
--- a/Examples/data/README.md
+++ b/Examples/data/README.md
@@ -32,4 +32,4 @@ published in https://doi.org/10.5281/zenodo.4072376
 
 3 layers system (substrate, teflon, vacuum).
 Vacuum layer is populated with spheres with size distribution.
-Measurement on GALAXI at FZ Jülich.
+Measurement on GALAXI at FZ Jülich (M. Ganeva, unpublished).