South Dorset is a constituency represented in the House of Commons of the UK Parliament since 2010 by Richard Drax, a Conservative. The constituency was created as a consequence of the Redistribution of Seats Act 1885, although the area covered has changed since then.
Richard Drax is not a Lord
He is a member of the House of Commons so he cannot be a Lord. I think the system got it wrong because the statement requires an inference