diff --git a/python-tomli-w.spec b/python-tomli-w.spec
index b705703..cb02e36 100644
--- a/python-tomli-w.spec
+++ b/python-tomli-w.spec
@@ -5,6 +5,7 @@ Version:        1.0.0
 Release:        5%{?dist}
 Summary:        A Python library for writing TOML
 
+# SPDX
 License:        MIT
 URL:            https://github.com/hukkin/tomli-w
 Source0:        %{url}/archive/%{version}/tomli-w-%{version}.tar.gz