diff --git a/number-of-covild-19-vaccinations/README.md b/number-of-covild-19-vaccinations/README.md
index e585aae..06b71a3 100644
--- a/number-of-covild-19-vaccinations/README.md
+++ b/number-of-covild-19-vaccinations/README.md
@@ -22,3 +22,6 @@ Enter the name of you state in the Widget-Parameter:
 Source of the data is the RKI: https://www.rki.de/DE/Content/InfAZ/N/Neuartiges_Coronavirus/Daten/Impfquoten-Tab.html
 
 The Excel provided by the RKI is accessible via an API for the widget: https://github.com/ThisIsBenny/rki-vaccination-data
+
+## Contributors
+- [Seiz](https://github.com/Seiz)