diff --git a/src/alpine-docker-outside-of-docker/README.md b/src/alpine-docker-outside-of-docker/README.md
index e171fa8..d1a2389 100644
--- a/src/alpine-docker-outside-of-docker/README.md
+++ b/src/alpine-docker-outside-of-docker/README.md
@@ -9,7 +9,9 @@ Re-use the host docker socket, adding the Docker CLI to alpine container
 
 ```json
 "features": {
-    "ghcr.io/cirolosapio/devcontainers-features/alpine-docker-outside-of-docker:0": {}
+    "ghcr.io/cirolosapio/devcontainers-features/alpine-docker-outside-of-docker:0": {
+        "hostDockerGid": 1001
+    }
 }
 ```