Update articles/iot-operations/overview-iot-operations.md

Co-authored-by: Dominic Betts <[email protected]>

Author: meenag16

articles/iot-operations/overview-iot-operations.md

@@ -132,7 +132,8 @@ Microsoft supports the following environments for Azure IoT Operations deploymen
 | Azure Kubernetes Service (AKS) on Azure Local | Azure Stack HCI OS, version 23H2, build 2411 | Public preview |
 | Tanzu Kubernetes release (TKr) on Tanzu Kubernetes Grid with a management cluster 2.5.2| TKr version 1.28.11| General availability|
 
-*Support for Azure IoT Operations deployments is only available on this version of TKr.
+>[!IMPORTANT]
+>Support for Azure IoT Operations deployments is only available on version 1.28.11 of TKr.
 
 ## Supported regions