diff --git a/docs/docs/hands-on-tutorials/a9s-cli-a8s-postgresql.md b/docs/docs/hands-on-tutorials/a9s-cli-a8s-postgresql.md
index e807585..948e55b 100644
--- a/docs/docs/hands-on-tutorials/a9s-cli-a8s-postgresql.md
+++ b/docs/docs/hands-on-tutorials/a9s-cli-a8s-postgresql.md
@@ -53,6 +53,7 @@ In this tutorial you will learn how to **create a local Kubernetes cluster**, fu
     * Other platforms, including Windows, may work but are currently untested.
 * [Docker](https://www.docker.com/)
 * [Minikube](https://minikube.sigs.k8s.io/docs/start/) or [Kind](https://kind.sigs.k8s.io/)
+  * Make sure sufficient disk space for Docker Volumes is available!
 * [a9s CLI](https://github.com/anynines/a9s-cli-v2)
 * [Kubectl](https://kubernetes.io/docs/reference/kubectl/)
 * Optional for backup/restore: AWS S3 Bucket with credentials
@@ -129,6 +130,10 @@ a9s create pg instance --name clustered-instance --replicas 3 -n tutorial
 
 This creates a clustered PostgreSQL instance named `clustered-instance` represented as a StatefulSet with `3` Pods. Each Pod runs a PostgreSQL process.
 
+**Note**: If you are using kind and your PostgreSQL cluster does not start correctly, this might be related to your 
+Docker volume being full. Make sure sufficient free disk space is available on your machine or in your Docker Desktop 
+settings!
+
 **Note**: The `a9s CLI` does not shield you the YAML specs is generated. Quite the opposite, it is intended to provide you with meaningful templates to start with. **You can find all YAML specs generated by the `a9s CLI` in the `usermanifests` folder in your a9s working directory**:
 
 ```bash