update

Author: detiber

docs/proposals/20191017-kubeadm-based-control-plane.md

@@ -83,7 +83,8 @@ and proxy services, and the underlying etcd data store.
 During 2019 we saw control plane management implementations in each infrastructure provider. Much like
 bootstrapping was identified as being reimplemented in every infrastructure provider and then extracted into Cluster API
 Bootstrap Provider Kubeadm (CABPK), we believe we can reduce the redundancy of control plane management across providers
-and centralize the logic in Cluster API.
+and centralize the logic in Cluster API. We also wanted to ensure that any default control plane management that we
+for the default implementation would not preclude the use of alternative control plane management solutions. 
 
 ### Goals