docs update

postgres-clusters/README.md

@@ -1,8 +1,15 @@
 # Postgres clusters
+This is a shared DB cluster, all postgres instances run in a dedicated namespace.
 
-This is namespace for Postgres clusters managed by Codemowers' sample
-[postgres-database-operator](https://github.com/codemowers/operatorlib/tree/main/samples/postgres-database-operator)
-which is deployed via [ArgoCD](https://argocd.k-space.ee/applications/argocd/postgres-database-operator)
+Clusters managed by operator-bundle.
+
+Use https://pgweb.k-space.ee/ to test access to your DB.
+
+## Namespace
+
+postgres-clusters
+
+## Example of commands
 
 ```
 kubectl create namespace postgres-clusters