diff --git a/LICENSE b/LICENSE
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+MIT License
+
+Copyright (c) 2023 Jonas Zohren
+
+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.
diff --git a/README.md b/README.md
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+# AsSESS Calendar Userscript
+
+> Kalendar-Ansicht für AsSESS als Tampermonkey userscript
+
+![Table of Assess groups to the left, a calendar table view to the right](./assess-calendar-userscript.png)
+
+## Installation
+
+1. [Tampermonkey-Addon](https://www.tampermonkey.net/) im Browser installieren
+2. Tampermonkey-Menü über Icon in Browser-Leiste öffnen
+3. "Create new userscript" anklicken
+4. Inhalt von [`./assess_userscript.js`](./assess_userscript.js) da rein kopieren
+5. Speichern (Ctrl+S)
+6. [AsSESS](https://oh14.de/assess) öffnen
+
+## Lizenz
+
+MIT
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