gcloud resource-manager tags keys update

INFORMATION
gcloud resource-manager tags keys update is not available in universe domain universe.
NAME
gcloud resource-manager tags keys update - updates the specified TagKey resource's description
SYNOPSIS
gcloud resource-manager tags keys update RESOURCE_NAME [--allowed-values-regex=ALLOWED_VALUES_REGEX] [--async] [--description=DESCRIPTION] [GCLOUD_WIDE_FLAG …]
DESCRIPTION
Updates the TagKey's description given the TagKey's parent and short name or the TagKey's numeric id.
EXAMPLES
To update a TagKey with id 123, run: 
gcloud resource-manager tags keys update tagKeys/123 --description=foobar --allowed-values-regex=.*

To update a TagKey named env under organization 456, run: 

gcloud resource-manager tags keys update 456/env --description=foobar --allowed-values-regex=.*
POSITIONAL ARGUMENTS
RESOURCE_NAME
Resource name or namespaced name. The resource name should be in the form {resource_type}/{numeric_id}. The namespaced name should be in the form {org_id}/{short_name} where short_name must be 1-63 characters, beginning and ending with an alphanumeric character ([a-z0-9A-Z]) with dashes (-), underscores ( _ ), dots (.), and alphanumerics between.
FLAGS
--allowed-values-regex=ALLOWED_VALUES_REGEX
User-assigned regex of allowed short names of TagValues under a TagKey.
--async
Return immediately, without waiting for the operation in progress to complete.
--description=DESCRIPTION
User-assigned description of the TagKey or TagValue. Must not exceed 256 characters.
GCLOUD WIDE FLAGS
These flags are available to all commands: --access-token-file, --account, --billing-project, --configuration, --flags-file, --flatten, --format, --help, --impersonate-service-account, --log-http, --project, --quiet, --trace-token, --user-output-enabled, --verbosity.

Run $ gcloud help for details.

NOTES
These variants are also available: 
gcloud alpha resource-manager tags keys update
 
gcloud beta resource-manager tags keys update