diff --git a/corsika/detail/framework/geometry/Box.inl b/corsika/detail/framework/geometry/Box.inl
index d5b942ec64ecd22021dedc53ddcf4ee1870a8f5f..d8b7d4129414de7015779b6162f24f6a718b5a79 100644
--- a/corsika/detail/framework/geometry/Box.inl
+++ b/corsika/detail/framework/geometry/Box.inl
@@ -1,3 +1,11 @@
+/*
+ * (c) Copyright 2020 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.
+ */
+
 namespace corsika {
   inline bool Box::contains(Point const& p) const {
     if ((abs(p.getX(cs_)) < x_) && (abs(p.getY(cs_)) < y_) && (abs(p.getZ(cs_)) < z_))
diff --git a/corsika/framework/geometry/Box.hpp b/corsika/framework/geometry/Box.hpp
index 729e64ebc28ee2ac5ba4967486d60c3bd42777fd..20ad70b7ecc0b73eb89234bdc61ff532d6ad4ef0 100644
--- a/corsika/framework/geometry/Box.hpp
+++ b/corsika/framework/geometry/Box.hpp
@@ -1,3 +1,11 @@
+/*
+ * (c) Copyright 2020 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 <corsika/framework/core/PhysicalUnits.hpp>