diff --git a/README.md b/README.md
index 27038e3ceba69d3f81126e86af4d895038a50c9e..e5421538c55f09946567ae3698882450de7884f1 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,8 @@ The room should be ventilated as soon as one LED turns red.
 * [Sensirion SCD30](https://www.sensirion.com/en/environmental-sensors/carbon-dioxide-sensors/carbon-dioxide-sensors-co2/) "Sensor Module for HVAC and Indoor Air Quality Applications"
 * [NeoPixel Ring - 12](https://www.adafruit.com/product/1643)
 
+See the [documentation](https://transfer.hft-stuttgart.de/gitlab/co2ampel/ampel-documentation) for more info.
+
 ## Software Requirements
 
 * [PlatformIO](https://platformio.org/)