name : update-public-dns-namespace.rst **Example 1: To update a public DNS namespace using ID** The following ``update-public-dns-namespace`` example updates the description of a public DNS namespace using its ID. :: aws servicediscovery update-public-dns-namespace \ --id ns-abcd1234xmpl5678 \ --updater-request-id abcd1234-5678-90ab-cdef-xmpl12345678 \ --namespace Description="The updated namespace description." Output:: { "OperationId": "abcd1234-5678-90ab-cdef-xmpl12345678" } To confirm that the operation succeeded, you can run ``get-operation``. For more information, see `AWS Cloud Map namespaces <https://docs.aws.amazon.com/cloud-map/latest/dg/working-with-namespaces.html>`__ in the *AWS Cloud Map Developer Guide*. **Example 2: To update a public DNS namespace using ARN** The following ``update-public-dns-namespace`` example updates a public DNS namespace using its ARN. :: aws servicediscovery update-public-dns-namespace \ --id arn:aws:servicediscovery:us-west-2:123456789012:namespace/ns-abcd1234xmpl5678 \ --updater-request-id abcd1234-5678-90ab-cdef-xmpl12345678 \ --namespace Description="The updated namespace description." Output:: { "OperationId": "abcd1234-5678-90ab-cdef-xmpl12345678" } For more information, see `AWS Cloud Map namespaces <https://docs.aws.amazon.com/cloud-map/latest/dg/working-with-namespaces.html>`__ in the *AWS Cloud Map Developer Guide*.