diff --git a/src/azure-cli/azure/cli/command_modules/eventhubs/_params.py b/src/azure-cli/azure/cli/command_modules/eventhubs/_params.py
index cb6496153f4..a3bc81cb4bc 100644
--- a/src/azure-cli/azure/cli/command_modules/eventhubs/_params.py
+++ b/src/azure-cli/azure/cli/command_modules/eventhubs/_params.py
@@ -79,7 +79,7 @@ def load_arguments_eh(self, _):
             c.argument('skip_empty_archives', options_list=['--skip-empty-archives'], arg_type=get_three_state_flag(), help='A boolean value that indicates whether to Skip Empty.')
             c.argument('capture_interval_seconds', arg_group='Capture', options_list=['--capture-interval'], type=int, help='Allows you to set the frequency with which the capture to Azure Blobs will happen, value should between 60 to 900 seconds')
             c.argument('capture_size_limit_bytes', arg_group='Capture', options_list=['--capture-size-limit'], type=int, help='Defines the amount of data built up in your Event Hub before an capture operation, value should be between 10485760 to 524288000 bytes')
-            c.argument('destination_name', arg_group='Capture-Destination', help='Name for capture destination')
+            c.argument('destination_name', arg_group='Capture-Destination', help='Name for capture destination, should be EventHubArchive.AzureBlockBlob.')
             c.argument('storage_account_resource_id', arg_group='Capture-Destination', validator=validate_storageaccount, options_list=['--storage-account'], help='Name (if within same resource group and not of type Classic Storage) or ARM id of the storage account to be used to create the blobs')
             c.argument('blob_container', arg_group='Capture-Destination', help='Blob container Name')
             c.argument('archive_name_format', arg_group='Capture-Destination', help='Blob naming convention for archive, e.g. {Namespace}/{EventHub}/{PartitionId}/{Year}/{Month}/{Day}/{Hour}/{Minute}/{Second}. Here all the parameters (Namespace,EventHub .. etc) are mandatory irrespective of order')