diff --git a/src/color_manager.cpp b/src/color_manager.cpp
index fb5fe73..da4e608 100644
--- a/src/color_manager.cpp
+++ b/src/color_manager.cpp
@@ -1,3 +1,18 @@
+/*
+* Copyright (C) 2025 Winfried Simon
+*
+* This software may be used under the terms of the GNU Lesser General 
+* Public License version 2.1 as published by the Free Software Foundation 
+* and appearing in the file license.txt included in the packaging of this file.
+*
+* 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 Lesser 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 "color_manager.h"
 
 #include <QApplication>
@@ -164,4 +179,4 @@ void ColorManager::addUserArea(qint64 posStart, qint64 posEnd, QColor fontColor,
 void ColorManager::clearUserAreas()
 {
     _userAreas.clear();
-}
\ No newline at end of file
+}