diff --git a/README.md b/README.md
index c1ff1bddc..a44cf925b 100644
--- a/README.md
+++ b/README.md
@@ -20,7 +20,7 @@ Mobilizon is your federated organization and mobilization platform. Gather peopl
 
 ## Notes about this fork
 
-The currently deployed `main` branch can be tested at [https://rotes.potsda.mn/](https://rotes.potsda.mn/).
+The currently deployed `v4.x` branch can be tested at [https://rotes.potsda.mn/](https://rotes.potsda.mn/).
 
 ### Building with Nix