diff --git a/exe/tmpfiles.d/cloudflare-ddns.conf.in b/exe/tmpfiles.d/cloudflare-ddns.conf.in
index 5aed7d6..702ddc3 100644
--- a/exe/tmpfiles.d/cloudflare-ddns.conf.in
+++ b/exe/tmpfiles.d/cloudflare-ddns.conf.in
@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2024 Andrea Pappacoda
+# SPDX-License-Identifier: FSFAP
+
 # Make sure config files have the correct owner and permissions, since the unit
 # file's ConfigurationDirectory= setting leaves the owner as root.
 d @sysconfdir@/cloudflare-ddns 0700 cloudflare-ddns cloudflare-ddns