name : untag-resource.rst **To update an ACL** The following `update-acl`` updates an ACL by adding a user. :: aws memorydb untag-resource \ --resource-arn arn:aws:memorydb:us-east-1:491658xxxxx:cluster/my-cluster \ --tag-keys mykey Output:: { "TagList": [ { "Key": "mytag", "Value": "myvalue" } ] } For more information, see `Tagging resources <https://docs.aws.amazon.com/memorydb/latest/devguide/tagging-resources.html>`__ in the *MemoryDB User Guide*.