diff --git a/docs/node_authorization.md b/docs/node_authorization.md
index b04efd9bbb..31638dd00c 100644
--- a/docs/node_authorization.md
+++ b/docs/node_authorization.md
@@ -1,10 +1,10 @@
 ### **Node Authorization Service**
 
 **The node authorization service is deprecated.**
-In kOps 1.19 using Kubernetes 1.19 kOps will, on AWS, ignore the `nodeAuthorization` field of the cluster spec and
+As of kOps 1.19 with AWS and Kubernetes 1.19, the `nodeAuthorization` field of the cluster spec will be ignored  and
 worker nodes will obtain client certificates for kubelet and other purposes through kops-controller.
 
-In kOps 1.20, setting `nodeAuthorization` is forbidden on any Kubernetes version and you will have to upgrade to kubernetes 1.19+ to retain this feature.
+As of kOps 1.20, setting `nodeAuthorization` is forbidden for any Kubernetes version and is replaced by the bootstrapping using kops-controller.
 
 The [node authorization service] is an experimental service which in the absence of a kops-apiserver provides the distribution of tokens to the worker nodes. Bootstrap tokens provide worker nodes a short-time credential to request access kubeconfig certificate. A gist of the flow is;