diff --git a/README.md b/README.md
index 2aedb3c..be4476f 100644
--- a/README.md
+++ b/README.md
@@ -47,6 +47,7 @@ services:
     environment:
       DOCKER_HOST: unix:///var/run/docker.sock
       RUNNER_NAME: ghr-myorg
+      RUNNER_GROUP: self-hosted
       RUNNER_SCOPE: org
       ORG_NAME: myorg
       LABELS: self-hosted,linux,docker,x64