message: [KeyVault] Change default tag
diff: @@ -26,12 +26,13 @@ These are the global settings for the KeyVault API.
  ``` yaml
  openapi-type: arm
  -tag: package-preview-2020-04
  +tag: package-2019-09
  ```
  ### Tag: package-preview-2020-04
  These settings apply only when `--tag=package-preview-2020-04` is specified on the command line.
  +This tag is for the development of preview features related to managed HSM of Azure CLI and PowerShell.
  ```yaml $(tag) == 'package-preview-2020-04'
  input-file:
  