diff --git a/docs/1-deploy.md b/docs/1-deploy.md
index 922fc75..ebfd3a1 100644
--- a/docs/1-deploy.md
+++ b/docs/1-deploy.md
@@ -1,6 +1,6 @@
 # Deploy and upgrade guide 
 
-![OpenFaaS](diagrams/deploy.png)
+![Deploy](diagrams/deploy.png)
 
 ### Setup Helm 
 
diff --git a/docs/2-autoscaling.md b/docs/2-autoscaling.md
index d475458..b4c4ef3 100644
--- a/docs/2-autoscaling.md
+++ b/docs/2-autoscaling.md
@@ -1,6 +1,6 @@
 # Auto-scaling guide 
 
-![OpenFaaS](diagrams/auto-scaling.png)
+![HPA](diagrams/auto-scaling.png)
 
 ### Deploy Frontend and Backend services
 
diff --git a/docs/4-statefulsets.md b/docs/4-statefulsets.md
index a51951e..d5e76da 100644
--- a/docs/4-statefulsets.md
+++ b/docs/4-statefulsets.md
@@ -2,6 +2,8 @@
 
 Running StatefulSet with with local persistent volumes for bare-metal Kubernetes 1.9 clusters.
 
+![StatefulSets](diagrams/statefulset.png)
+
 ### Cluster provisioning
 
 I'm assuming you have three hosts:
@@ -43,7 +45,7 @@ Add the `role` label to the worker nodes:
 
 ```bash
 kubectl --kubeconfig ./admin.conf label nodes kube-node-0 role=local-ssd
-kubectl --kubeconfig ./admin.conf label nodes kube-node-0 role=local-ssd
+kubectl --kubeconfig ./admin.conf label nodes kube-node-1 role=local-ssd
 ```
 
 ### Persistent volumes provisioning
diff --git a/docs/diagrams/statefulset.png b/docs/diagrams/statefulset.png
new file mode 100644
index 0000000..7a2de84
Binary files /dev/null and b/docs/diagrams/statefulset.png differ