message: docs: correct the documentation
  Correct the documentation about the placeholder field
diff: @@ -136,7 +136,7 @@ You can configure this behavior globally, by setting `skipOptional` config value
  ## Customizing the field name
  -So far you only saw `{field}` placeholder used in the error messages to refer to the field, you can change that by specifying a `name` prop on the `ValidationProvider`.
  +So far you only saw `{_field_}` placeholder used in the error messages to refer to the field, you can change that by specifying a `name` prop on the `ValidationProvider`.
  ```vue{2}
  <ValidationProvider
  