diff --git a/README.md b/README.md
index 1e13c8d..bfdaf44 100644
--- a/README.md
+++ b/README.md
@@ -6,3 +6,6 @@ Supports Quarkus 2.0 and should support 1.11+ too.
 To try it out, you can get a project https://github.com/vaadin/base-starter-flow-quarkus/
 
 The first stable version of the extension 1.0 is targeting Vaadin 22.
+
+## devUI URL
+After executing the quarkus project with dev profile `mvn quarkus:dev`, the devUI can be accessed (with not overwritten configuration) at URL: `http://localhost:8080/q/dev/`