diff --git a/corsika/framework/utility/CrossSectionTable.hpp b/corsika/framework/utility/CrossSectionTable.hpp
index efd53ff4b8271325a7ef131d586dc368ad6347db..67515dd4ac6fff6242526035dfd1e2cc6fe528ad 100644
--- a/corsika/framework/utility/CrossSectionTable.hpp
+++ b/corsika/framework/utility/CrossSectionTable.hpp
@@ -1,3 +1,10 @@
+/*
+ * (c) Copyright 2024 CORSIKA Project, corsika-project@lists.kit.edu
+ *
+ * This software is distributed under the terms of the GNU General Public
+ * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
+ * the license.
+ */
 #pragma once
 
 #include <algorithm>