diff --git a/examples/spring-boot/src/main/resources/application.properties b/examples/spring-boot/src/main/resources/application.properties
index c87d7c3..f4f3fa8 100644
--- a/examples/spring-boot/src/main/resources/application.properties
+++ b/examples/spring-boot/src/main/resources/application.properties
@@ -1 +1,5 @@
+# SPDX-FileCopyrightText: © 2021 Matthias Andreas Benkard <code@mail.matthias.benkard.de>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
 logging.config = classpath:logging.properties