diff --git a/c++/pomerol_ed.cpp b/c++/pomerol_ed.cpp
index 91b135f..de2fdb8 100644
--- a/c++/pomerol_ed.cpp
+++ b/c++/pomerol_ed.cpp
@@ -1,3 +1,22 @@
+/**
+ * pomerol2triqs1.4
+ *
+ * Copyright (C) 2017 Igor Krivenko
+ * Copyright (C) 2018 Junya Otsuki
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
 #include "pomerol_ed.hpp"
 
 #include <boost/math/special_functions/bessel.hpp>
diff --git a/c++/pomerol_ed.hpp b/c++/pomerol_ed.hpp
index a0b8542..c636210 100644
--- a/c++/pomerol_ed.hpp
+++ b/c++/pomerol_ed.hpp
@@ -1,3 +1,22 @@
+/**
+ * pomerol2triqs1.4
+ *
+ * Copyright (C) 2017 Igor Krivenko
+ * Copyright (C) 2018 Junya Otsuki
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
 #pragma once
 
 #include <utility>