diff --git a/src/azure-cli/azure/cli/command_modules/vm/_params.py b/src/azure-cli/azure/cli/command_modules/vm/_params.py
index 06f589b243f..3ae67613463 100644
--- a/src/azure-cli/azure/cli/command_modules/vm/_params.py
+++ b/src/azure-cli/azure/cli/command_modules/vm/_params.py
@@ -847,7 +847,7 @@ def load_arguments(self, _):
         c.argument('storage_account_type', help="The default storage account type to be used per region. To set regional storage account types, use --target-regions",
                    arg_type=get_enum_type(["Standard_LRS", "Standard_ZRS", "Premium_LRS"]), min_api='2019-03-01')
         c.argument('target_region_encryption', nargs='+',
-                   help='Space-separated list of customer managed keys for encrypting the OS and data disks in the gallery artifact for each region. Format for one region: "<os_des>,<lun1>,<lun1_des>,<lun2>,<lun2_des>". Use "null" as a placeholder.')
+                   help='Space-separated list of customer managed keys for encrypting the OS and data disks in the gallery artifact for each region. Format for each region: `<os_des>,<lun1>,<lun1_des>,<lun2>,<lun2_des>`. Use "null" as a placeholder.')
 
     with self.argument_context('sig image-version show') as c:
         c.argument('expand', help="The expand expression to apply on the operation, e.g. 'ReplicationStatus'")