Merge pull request #101212 from docohe/fix-follower-docs

Update flow creation using arm template docs

Author: PRMerger12

articles/data-explorer/follower.md

@@ -122,7 +122,8 @@ poller = kusto_management_client.attached_database_configurations.create_or_upda
 
 ### Attach a database using an Azure Resource Manager template
 
-In this section, you learn how to attach a database by using an [Azure Resource Manager template](../azure-resource-manager/management/overview.md). 
+In this section, you learn how to create a follower cluster and attach a database to it by using an [Azure Resource Manager template](../azure-resource-manager/management/overview.md). 
+If you already have a cluster, remove the `Microsoft.Kusto/clusters` resource from the resource list below.
 
 ```json
 {
@@ -154,7 +155,7 @@ In this section, you learn how to attach a database by using an [Azure Resource
 			"type": "string",
 			"defaultValue": "",
 			"metadata": {
-				"description": "Name of the leader cluster to create."
+				"description": "The resource ID of the leader cluster."
 			}
 		},
 		"defaultPrincipalsModificationKind": {
@@ -212,7 +213,7 @@ You can deploy the Azure Resource Manager template by [using the Azure portal](h
 
 |**Setting**  |**Description**  |
 |---------|---------|
-|Follower Cluster Name     |  The name of the follower cluster       |
+|Follower Cluster Name     |  The name of the follower cluster. If the cluster name exists, remove the `Microsoft.Kusto/clusters` resource from the resource list in the ARM template. Otherwise, a new cluster will be created.     |
 |Attached Database Configurations Name    |    The name of the attached database configurations object. The name must be unique at the cluster level.     |
 |Database Name     |      The name of the database to be followed. If you want to follow all the leader's databases, use '*'.   |
 |Leader Cluster Resource ID    |   The resource ID of the leader cluster.      |