diff --git a/.licor.list b/.licor.list
new file mode 100644
index 0000000..b3ddab0
--- /dev/null
+++ b/.licor.list
@@ -0,0 +1,6 @@
+/home/daniel/informatik/python/mathbot/mathbot/__init__.py
+/home/daniel/informatik/python/mathbot/mathbot/main.py
+/home/daniel/informatik/python/mathbot/mathbot/static.py
+/home/daniel/informatik/python/mathbot/mathbot/__main__.py
+/home/daniel/informatik/python/mathbot/mathbot/rendering.py
+/home/daniel/informatik/python/mathbot/mathbot/bot.py
\ No newline at end of file
diff --git a/mathbot/__init__.py b/mathbot/__init__.py
index e69de29..ca97a7a 100644
--- a/mathbot/__init__.py
+++ b/mathbot/__init__.py
@@ -0,0 +1,18 @@
+# Copyright (c) 2018 Daniel Knüttel #
+# #
+# This file is part of mathbot. #
+# #
+# mathbot 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. #
+# #
+# mathbot 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 mathbot. If not, see . #
+# #
+
diff --git a/mathbot/__main__.py b/mathbot/__main__.py
index 51896e0..52330d9 100644
--- a/mathbot/__main__.py
+++ b/mathbot/__main__.py
@@ -1,3 +1,21 @@
+# Copyright (c) 2018 Daniel Knüttel #
+# #
+# This file is part of mathbot. #
+# #
+# mathbot 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. #
+# #
+# mathbot 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 mathbot. If not, see . #
+# #
+
from .main import main
import sys, logging
diff --git a/mathbot/bot.py b/mathbot/bot.py
index 14b438e..2068ab2 100644
--- a/mathbot/bot.py
+++ b/mathbot/bot.py
@@ -1,3 +1,21 @@
+# Copyright (c) 2018 Daniel Knüttel #
+# #
+# This file is part of mathbot. #
+# #
+# mathbot 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. #
+# #
+# mathbot 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 mathbot. If not, see . #
+# #
+
from telegram.ext import RegexHandler
from .rendering import get_png
from .static import static_content
diff --git a/mathbot/main.py b/mathbot/main.py
index 2c8e100..dc9a9d9 100644
--- a/mathbot/main.py
+++ b/mathbot/main.py
@@ -1,3 +1,21 @@
+# Copyright (c) 2018 Daniel Knüttel #
+# #
+# This file is part of mathbot. #
+# #
+# mathbot 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. #
+# #
+# mathbot 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 mathbot. If not, see . #
+# #
+
from telegram.ext import Updater, CommandHandler, RegexHandler
from . import bot
diff --git a/mathbot/rendering.py b/mathbot/rendering.py
index 1cc34b4..d2c594e 100644
--- a/mathbot/rendering.py
+++ b/mathbot/rendering.py
@@ -1,3 +1,21 @@
+# Copyright (c) 2018 Daniel Knüttel #
+# #
+# This file is part of mathbot. #
+# #
+# mathbot 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. #
+# #
+# mathbot 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 mathbot. If not, see . #
+# #
+
from io import BytesIO
import matplotlib.pyplot as plt
diff --git a/mathbot/static.py b/mathbot/static.py
index 64cf492..93fb125 100644
--- a/mathbot/static.py
+++ b/mathbot/static.py
@@ -1,3 +1,21 @@
+# Copyright (c) 2018 Daniel Knüttel #
+# #
+# This file is part of mathbot. #
+# #
+# mathbot 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. #
+# #
+# mathbot 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 mathbot. If not, see . #
+# #
+
_help_text = '''
**RMathBot** -- render LaTeX math commands