Claire's wounds from the whipping change appearance in every scene.
The last witch executed in Scotland was in 1707 - a generation before the time of this story. The last witch trial was also well before 1743, and the rescinding of the 1563 act, which is mentioned in the episode, was observed in Scotland. Furthermore the (earlier) enthusiasm for seeking out witches was largely a phenomenon of the Lowland Scots and was quite rare in the Highlands.