Clarify when a separate account for database pods may be needed

README.md

@@ -76,7 +76,7 @@ Watching a namespace for an operator means tracking requests to change Postgresq
 
 By default, the operator watches the namespace it is deployed to. You can change this by altering the `WATCHED_NAMESPACE` env var in the operator deployment manifest or the `watched_namespace` field in the operator configmap. In the case both are set, the env var takes the precedence.
 
-Note that for an operator to manage pods in the watched namespace, the operator's service account (as specified in the operator deployment manifest) has to have appropriate privileges to access the watched namespace. The watched namespace also needs to have a (possibly different) service account that allows database pods to talk to the Kubernetes API.
+Note that for an operator to manage pods in the watched namespace, the operator's service account (as specified in the operator deployment manifest) has to have appropriate privileges to access the watched namespace. The watched namespace also needs to have a (possibly different) service account in the case database pods need to talk to the Kubernetes API (e.g. when using Kubernetes-native configuration of Patroni).
 
 ### Create ConfigMap