diff --git a/diploma.yaml b/diploma.yaml
index 2fa4e4c..8b0a5b2 100644
--- a/diploma.yaml
+++ b/diploma.yaml
@@ -1,3 +1,7 @@
+# SPDX-FileCopyrightText: 2022 Michael Fink Amores <finkamores@cip.ifi.lmu.de>,David Mosbach <david.mosbach@campus.lmu.de>
+#
+# SPDX-License-Identifier: AGPL-3.0-or-later
+
 nodes:
   "erstellung moeglich":
     viewers: