python-botocore/tests/unit/response_parsing/xml/responses/redshift-modify-cluster-parameter-group.json

{
    "ParameterGroupStatus": "Your parameter group has been updated but changes won't get applied until you reboot the associated Clusters.", 
    "ParameterGroupName": "parametergroup1", 
    "ResponseMetadata": {
        "RequestId": "86e64043-40de-11e2-8a25-eb010998df4e"
    }
}