Update articles/iot-operations/deploy-iot-ops/howto-prepare-cluster.md

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

Author: meenag16

articles/iot-operations/deploy-iot-ops/howto-prepare-cluster.md

@@ -74,7 +74,7 @@ To prepare an Azure Arc-enabled Kubernetes cluster, you need:
   * [Azure IoT Operations supported environments](./overview-deploy.md#supported-environments).
   * [Azure Arc-enabled Kubernetes system requirements](/azure/azure-arc/kubernetes/system-requirements).
 
-### [Tanzu Kubernetes Grid with a Management Cluster](#tab/tkgm)
+### [Tanzu Kubernetes Grid with a management cluster](#tab/tkgm)
 
 To prepare a TKGm workload cluster, you need: