diff --git a/Modules/Learning/DimensionalityReductionLearning/include/otbSOMModel.txx b/Modules/Learning/DimensionalityReductionLearning/include/otbSOMModel.txx
index 2f5a69026d3daf094f46f1a55ad32cdbf3d13b89..1fd4c6ea205823bfb7e46edb167607cffd908983 100644
--- a/Modules/Learning/DimensionalityReductionLearning/include/otbSOMModel.txx
+++ b/Modules/Learning/DimensionalityReductionLearning/include/otbSOMModel.txx
@@ -1,5 +1,24 @@
-#ifndef SOMModel_txx
-#define SOMModel_txx
+/*
+ * Copyright (C) 2005-2017 Centre National d'Etudes Spatiales (CNES)
+ *
+ * This file is part of Orfeo Toolbox
+ *
+ *     https://www.orfeo-toolbox.org/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef otbSOMModel_txx
+#define otbSOMModel_txx
 
 #include "otbSOMModel.h"