diff --git a/README.md b/README.md
index dc13da7f556a7188ceb488a29478332b19c9e729..2fe40471b1d08efa8e58da7197ed5cbfcf42e7d4 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,8 @@
-## Getting started
+# Getting started
 Please download the firmware file, copy it to the USB stick and use the USB stick to update the TXT 4.0 controller.
+see https://www.fischertechnik.de/en/service/elearning/teaching/txt-40-controller
 
-# Release Notes from 3.1.0 to 3.1.4
+## Release Notes from 3.1.0 to 3.1.4
 - Fixed: WLAN reconnect
 - Fixed: Update improvements
 - New: txtapi 6.1.2 for ROBO Pro Coding 6.1.x