# File lib/fog/aws/requests/rds/modify_db_subnet_group.rb, line 16
        def modify_db_subnet_group(name, subnet_ids, description = nil)
          params = { 'Action'  => 'ModifyDBSubnetGroup',
            'DBSubnetGroupName' => name,
            'DBSubnetGroupDescription' => description,
            :parser   => Fog::Parsers::AWS::RDS::ModifyDBSubnetGroup.new }
          params.merge!(Fog::AWS.indexed_param("SubnetIds.member", Array(subnet_ids)))
          request(params)
        end