fix(rdb): review hugo

Author: ldecarvalho-doc

pages/managed-databases-for-postgresql-and-mysql/api-cli/logical-replication-as-subscriber.mdx

@@ -34,6 +34,10 @@ To be able to create a subscription, you must have the privileges of the `pg_cre
 
 1. Grant `pg_create_subscription` and CREATE privileges to your role of choice. In this example we use `my_replication_user`. Make sure you replace all variables with the information of your databases.
 
+    <Message type="note">
+      You must follow the step below as an admin. Only users with admin rights can grant `pg_create_subscription` to other users. 
+    </Message>
+
     ```sql
     GRANT pg_create_subscription TO my_replication_user;
     GRANT CREATE ON DATABASE my_database TO my_replication_user;