Prince Archie and Princess Lilibet

Chattanooga, Tennessee—(People)
Prince Harry and Meghan Markle’s children now have Royal Titles. According to the official Royals website The palace updated the royal family’s Thursday to reflect Prince Archie Harrison and Princess Lilibet Diana’s titles. They were previously styled as “Master Archie Mountbatten-Windsor” and “Miss Lilibet Mountbatten-Windsor.”
Does this have anything to do with Prince Charles coronation coming up?
Photo by Futuri Post