diff --git a/devenv/README.md b/devenv/README.md
index 3dd87be..a00b3b5 100644
--- a/devenv/README.md
+++ b/devenv/README.md
@@ -12,6 +12,8 @@ cd devenv/zabbix60
 docker-compose up -d
 ```
 
+Grafana will be available at http://localhost:3001 (with default `admin:admin` credentials).
+
 If you want to edit sources, do it, rebuild plugin and then restart grafana container:
 
 ```shell