diff --git a/desmume/src/gtk/tools/ioregsView.cpp b/desmume/src/gtk/tools/ioregsView.cpp
index bdf8a03ee..7bf737453 100644
--- a/desmume/src/gtk/tools/ioregsView.cpp
+++ b/desmume/src/gtk/tools/ioregsView.cpp
@@ -1,3 +1,23 @@
+/* ioregsView.cpp - this file is part of DeSmuME
+ *
+ * Copyright (C) 2006,2007 DeSmuME Team
+ *
+ * This file 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 2, or (at your option)
+ * any later version.
+ *
+ * This file 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; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
 #include <gtk/gtk.h>
 #include "../dTool.h"
 
diff --git a/desmume/src/gtk/tools/ioregsView.h b/desmume/src/gtk/tools/ioregsView.h
index b36dd3707..2c814451a 100644
--- a/desmume/src/gtk/tools/ioregsView.h
+++ b/desmume/src/gtk/tools/ioregsView.h
@@ -1,3 +1,23 @@
+/* ioregsview.h - this file is part of DeSmuME
+ *
+ * Copyright (C) 2006,2007 DeSmuME Team
+ *
+ * This file 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 2, or (at your option)
+ * any later version.
+ *
+ * This file 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; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
 #ifndef __IOREGSVIEW_H__
 #define __IOREGSVIEW_H__