Add Domain SHELL command fixes

Author: bbiggerr

src/content/changelog/4-85-0-2021-03-01.md

@@ -10,6 +10,8 @@ changelog:
 
 - The Domain Update ([PUT /domains/{domainId}](https://www.linode.com/docs/api/domains/#domain-update)) endpoint request body schema erroneously stated that the `domain` and `type` properties were required. The spec has been updated to mark these properties as optional.
 
+- The Domain Create ([POST /domains](https://www.linode.com/docs/api/domains/#domain-create)) endpoint and Domain Update ([PUT /domains/{domainId}](https://www.linode.com/docs/api/domains/#domain-update)) endpoint SHELL request samples incorrectly stated a `display_group` property and excluded the `tags` property. The samples have been updated to state the `group` and `tags` properties.
+
 - The following Domain schema properties have been updated to include the following missing value traits:
   - `domain`: minimum 1 and maximum 255 characters
   - `status`: a default value of active