What warning does the manuscript give future Baskervilles in Hound of Baskervilles?

The manuscript in The Hound of Baskervilles gives the following warning to future Baskervilles: "As a warning to the wicked, and a beacon to the just, this truth is recorded, that the blood which is shed on the moor shall be visited upon those who shed it, and even their descendants, in generations which are not yet."