Update howto-cluster-manager.md

Author: bartpinto

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

@@ -144,7 +144,7 @@ Parameters:
 - `-Location` - The geo-location where the resource lives.
 - `-ManagedResourceGroupConfigurationLocation` - The location of the managed resource group. If not specified, the location of the parent resource is chosen.
 - `-ManagedResourceGroupConfigurationName` - The name for the managed resource group. If not specified, the unique name is automatically generated.
-- `-IdentityType` - The type of managed identity to use for this Cluster Manager, `UserAssigned` or `SystemAssigned`. If not specified, Managed Identities are not used.
+- `-IdentityType` - The type of managed identity to use for this Cluster Manager (`UserAssigned`, or `SystemAssigned`). If not specified, Managed Identities are not used.
 - `-IdentityUserAssignedIdentity` - The ResourceID of the User Assigned Managed Identity if using `UserAssigned` for `IdentityType`.
 - `-Tag` - Hashtable of Resource tags.