diff --git a/README.rst b/README.rst
index 6f2b4d3..9d7f62e 100644
--- a/README.rst
+++ b/README.rst
@@ -2,6 +2,9 @@
 TYPO3 Upgrade Guide
 ===================
 
+Starting with TYPO3 12.4 this Guide was moved into TYPO3 Explained. 
+See here: https://docs.typo3.org/m/typo3/reference-coreapi/main/en-us/Administration/Upgrade/Index.html
+
 This document explains how to upgrade TYPO3 and migrate from Legacy to Composer
 mode.