diff --git a/config.py b/config.py
index b3b1bd3..107ed73 100644
--- a/config.py
+++ b/config.py
@@ -1,4 +1,32 @@
-
-
-DEFAULT_DESCRIPTION = 'Simple math package'
 DEFAULT_AUTHOR = 'Maximilian Keßler'
+
+LICENSE = [
+    'Copyright © {year} {copyright_holders}',
+    '',
+    'Permission is hereby granted, free of charge, to any person obtaining a copy',
+    'of this software and associated documentation files (the “Software”), to deal',
+    'in the Software without restriction, including without limitation the rights',
+    'to use, copy, modify, merge, publish, distribute, sublicense, and/or sell',
+    'copies of the Software, and to permit persons to whom the Software is',
+    'furnished to do so, subject to the following conditions:',
+    'The above copyright notice and this permission notice shall be included in all',
+    'copies or substantial portions of the Software.',
+    '',
+    'THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR',
+    'IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,',
+    'FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE',
+    'AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER',
+    'LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,',
+    'OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE',
+    'SOFTWARE.'
+]
+
+PACKAGE_INFO_TEXT = [
+    "This LaTeX package is free software and distributed under the MIT License. You",
+    "may use it freely for your purposes. The latest version of the package can be",
+    "obtained via GitHub under",
+    "   https://github.com/kesslermaximilian/LatexPackages",
+    "For further information see the url above.",
+    "Reportings of bugs, suggestions and improvements are welcome, see the README",
+    "at the Git repository for further information."
+]
diff --git a/enums.py b/enums.py
index b062c3a..16244b9 100644
--- a/enums.py
+++ b/enums.py
@@ -3,13 +3,13 @@ from enum import Enum
 
 class Attributes(Enum):
     package_name_raw = 'package_name_raw'
-    description = 'description'
     author = 'author'
     author_acronym = 'author_acronym'
     package_name = 'package_name'
     package_prefix = 'package_prefix'
     file_name = 'file_name'
     date = 'date'
+    year = 'year'
 
 
 class Args(Enum):
diff --git a/package_formatter.py b/package_formatter.py
index bb65057..c77e29d 100644
--- a/package_formatter.py
+++ b/package_formatter.py
@@ -3,14 +3,13 @@ import re
 from pathlib import Path
 from typing import Dict
 from datetime import *
-from config import DEFAULT_DESCRIPTION, DEFAULT_AUTHOR
+from config import DEFAULT_AUTHOR
 from enums import Attributes, Args
 
 
 class PackageFormatter:
-    def __init__(self, package_name: str, description: str = DEFAULT_DESCRIPTION, author: str = DEFAULT_AUTHOR):
+    def __init__(self, package_name: str, author: str = DEFAULT_AUTHOR):
         self.package_name_raw = package_name
-        self.description = description
         self.author = author
         author_parts = self.author.lower().replace('ß', 'ss').split(' ')
         self.author_acronym = author_parts[0][0] + author_parts[-1]
@@ -19,6 +18,7 @@ class PackageFormatter:
         self.package_prefix = self.package_name.replace('-', '@') + '@'
         self.file_name = self.package_name + '.sty'
         self.date = datetime.now().strftime('%Y/%m/%d')
+        self.year = int(datetime.now().strftime('%Y'))
         self.replace_dict: Dict = {}
         self.arg_replace_dict: Dict = {}
 
diff --git a/replacements.py b/replacements.py
index eed331d..6b11782 100644
--- a/replacements.py
+++ b/replacements.py
@@ -1,17 +1,25 @@
 from enums import Attributes, Args
 from package_formatter import PackageFormatter
+from config import LICENSE, PACKAGE_INFO_TEXT
 
 
 def make_default_commands(package_formatter: PackageFormatter):
+    header = '%'*80 + '\n' + '\n'.join(map(lambda line: '% ' + line, LICENSE + [''] + PACKAGE_INFO_TEXT))\
+                   + '\n' + '%'*80 + '\n' \
+                   + '\\NeedsTeXFormat{{LaTeX2e}}\n' \
+                     '\\ProvidesPackage{{{package_name}}}[{date} - {description}]\n\n'
+    package_formatter.add_arg_replacement(
+        1, 'header',
+        header,
+        package_name=Attributes.package_name,
+        date=Attributes.date,
+        description=Args.one,
+        year=Attributes.year,
+        copyright_holders=Attributes.author
+    )
     package_formatter.add_replacement('package name', '{}', Attributes.package_name)
     package_formatter.add_replacement('package prefix', '{}', Attributes.package_prefix)
     package_formatter.add_replacement('file name', '{name}', name=Attributes.file_name)
-    package_formatter.add_replacement('header', '\\NeedsTeXFormat{{LaTeX2e}}\n'
-                                                '\\ProvidesPackage{{{name}}}[{} - {}]\n'
-                                                '%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%',
-                                      Attributes.date,
-                                      Attributes.description,
-                                      name=Attributes.package_name)
     package_formatter.add_replacement('date', '{}', Attributes.date)
     package_formatter.add_replacement('author', '{}', Attributes.author)
     package_formatter.add_arg_replacement(1, 'newif', r'\newif\if{prefix}{condition}',
@@ -22,3 +30,5 @@ def make_default_commands(package_formatter: PackageFormatter):
                                           condition=Args.one)
     package_formatter.add_arg_replacement(1, 'info', r'\PackageInfo{{{name}}}{{{info}}}', name=Attributes.package_name,
                                           info=Args.one)
+    package_formatter.add_arg_replacement(1, 'warning', r'\PackageWarning{{{name}}}{{{warning}}}',
+                                          name=Attributes.package_name, warning=Args.one)