Original sentence: In the mid-1990s a portrait of her hung in Kenwood House, on Hamstead Heath in London, with the caption: "Lady Diana Spencer, known chiefly for the unhappiness of her first marriage
Edited sentence: In the mid-1990s a portrait of her hung in Kenwood House, on Hampstead Heath in London, with the caption: "Lady Diana Spencer, known chiefly for the unhappiness of her first marriage