What Is Meghan Markle's Occupation On Baby Archie's Birth Certificate?

On Friday, the birth certificate for the Duke and Duchess of Sussex's baby boy, Archie, was released by the Press Association and it includes some interesting details.
According to Business Insider, the most surprising aspect is Meghan Markle's job title. Under the occupation section of Archie's birth certificate, Markle is listed as "Princess of the United Kingdom."
The Duchess of Cambridge was reportedly also given the same job title on the birth certificates of all three of her children.