diff --git a/docs/README.md b/docs/README.md
index 8e9c56e02..fe82ba7cf 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -212,7 +212,11 @@ Before the example, you need to:
   Allow ```elasticfilesystem:DescribeMountTargets``` and ```ec2:DescribeAvailabilityZones``` actions in your policy attached to the EKS service account role, refer to example policy [here](https://github.com/kubernetes-sigs/aws-efs-csi-driver/blob/master/docs/iam-policy-example.json#L9-L10).
 
 ## Development
-Please go through [CSI Spec](https://github.com/container-storage-interface/spec/blob/master/spec.md) and [Kubernetes CSI Developer Documentation](https://kubernetes-csi.github.io/docs) to get some basic understanding of CSI driver before you start.
+* Please go through [CSI Spec](https://github.com/container-storage-interface/spec/blob/master/spec.md) and [Kubernetes CSI Developer Documentation](https://kubernetes-csi.github.io/docs) to get some basic understanding of CSI driver before you start.
+
+* If you are about to update iam policy file, please also update efs policy in weaveworks/eksctl
+https://github.com/weaveworks/eksctl/blob/main/pkg/cfn/builder/statement.go
+*/
 
 ### Requirements
 * Golang 1.13.4+
diff --git a/docs/iam-policy-example.json b/docs/iam-policy-example.json
index eba12d84b..5321b24b9 100644
--- a/docs/iam-policy-example.json
+++ b/docs/iam-policy-example.json
@@ -46,4 +46,4 @@
       }
     }
   ]
-}
\ No newline at end of file
+}