diff --git a/README.md b/README.md
index 01e7e8608..7ed3cde71 100644
--- a/README.md
+++ b/README.md
@@ -38,6 +38,7 @@ NB! <code>In-depth links are marked by the microscope sign (🔬) </code>
 **Disclaimer: this software is currently a tech preview. We will do our best to keep it stable and make no breaking
 changes but we don't guarantee anything. Things can and will break.**
 
+Alpha/Beta versions difference: [here](https://erigon.substack.com/p/erigon-2-three-upgrades?s=r)
 
 System Requirements
 ===================