diff --git a/main.py b/main.py
index 03f1583..90480c3 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,20 @@
-# This Python file uses the following encoding: utf-8
+"""
+Main application
+Copyright (C) 2023  Benjamin Burkhardt <benjamin@dieburkhardts.de>
+
+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 <https://www.gnu.org/licenses/>.
+"""
 
 import sys
 from PySide6.QtWidgets import QApplication
diff --git a/utils.py b/utils.py
index 35c0548..816bb54 100644
--- a/utils.py
+++ b/utils.py
@@ -1,4 +1,21 @@
-# This Python file uses the following encoding: utf-8
+"""
+Utility classes and functions
+Copyright (C) 2023  Benjamin Burkhardt <benjamin@dieburkhardts.de>
+
+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 <https://www.gnu.org/licenses/>.
+"""
+
 
 # Logger class that has 7 log levels: trace/all (6), debug (5), info(4), warning (3), error (2), fatal (1), off (0)
 # log "level" -1 is always printed out ("On")