Added a known limitations section to deployment documentation

Author: sasank-chaganty

articles/azure-arc/data/plan-azure-arc-data-services.md

@@ -92,7 +92,6 @@ You can deploy Azure Arc-enabled data services on various types of Kubernetes cl
 - Additional [partner-validated Kubernetes distributions](./validation-program.md)
 
 > [!IMPORTANT]
-> * Currently, only one Azure Arc data controller per Kubernetes cluster is supported.
 > * The minimum supported version of Kubernetes is v1.21. For more information, see the "Known issues" section of [Release notes - Azure Arc-enabled data services](./release-notes.md#known-issues).
 > * The minimum supported version of OCP is 4.8.
 > * If you're using Azure Kubernetes Service, your cluster's worker node virtual machine (VM) size should be at least Standard_D8s_v3 and use Premium Disks. 
@@ -140,6 +139,9 @@ As outlined in [Connectivity modes and requirements](./connectivity.md), you can
 
 After you've installed the Azure Arc data controller, you can create and access data services such as Azure Arc-enabled SQL Managed Instance or Azure Arc-enabled PostgreSQL server.
 
+## Known limitations
+Currently, only one Azure Arc data controller per cluster is supported. However, you can create multiple Arc data services, such as Arc-enabled SQL Managed Instances and Arc-enabled PostgreSQL servers, that are managed by the same Azure Arc data controller.
+
 ## Next steps
 
 You have several additional options for creating the Azure Arc data controller: