Update README.md

Author: balis

cloud/README.md

@@ -3,6 +3,12 @@ Create a new cluster using command:
 
 ```eksctl create cluster -f eks-aws-academy.yaml```
 
+To update your `kubeconfig`, you can run command (`.aws/credentials` must be configured):
+
+```
+aws eks update-kubeconfig --region us-east-1 --name HfKlaster
+```
+
 **Notes:** 
 - You need to change `instanceRoleARN` (in two places) and `serviceRoleARN`
 - Make sure [`persistence`](https://github.com/hyperflow-wms/hyperflow-k8s-deployment/blob/c48e87bb61a5f92bb178dd53ba59ecbccc74fa06/charts/hyperflow-ops/values.yaml#L21) of the NFS provisioner is disabled (otherwise the provisioner will not start)