diff --git a/python-sphinx_rtd_theme.spec b/python-sphinx_rtd_theme.spec
index a72298d..fd7a1b6 100644
--- a/python-sphinx_rtd_theme.spec
+++ b/python-sphinx_rtd_theme.spec
@@ -8,6 +8,7 @@ Version:        1.2.2
 Release:        1%{?dist}
 Summary:        Sphinx theme for readthedocs.org
 
+# SPDX
 License:        MIT
 URL:            https://github.com/readthedocs/%{srcname}/
 Source:         %{url}/archive/%{version}/%{srcname}-%{version}.tar.gz