fix clarity

Author: mbashtovaya

articles/operator-nexus/howto-cluster-manager.md

@@ -198,7 +198,7 @@ This command shows the properties of the specified Cluster Manager in Json forma
 
 ### [ARM Template](#tab/template)
 
-Use one of the existing interfaces, Portal, CLI, or PowerShell, to delete the Cluster Manager.
+To view Cluster Managers, use Portal, CLI, or PowerShell.
 
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@@ -315,7 +315,7 @@ Remove-AzNetworkCloudClusterManager -Name "$CLUSTER_MANAGER_NAME -ResourceGroupN
 
 ### [ARM Template](#tab/template)
 
-Use one of the existing interfaces, Portal, CLI, or PowerShell, to delete the Cluster Manager.
+To delete the Cluster Manager, use Portal, CLI, or PowerShell.
 
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