Apple Maps has quietly been updated to change the Gulf of Mexico to the "Gulf of America" when viewed by U.S. users. This comes a mere day after Google made the same change to its own Maps app.

SAN FRANCISCO (AP) — Apple renamed the Gulf of Mexico to the Gulf of America on its maps Tuesday after an order by President Donald Trump was made official by the U.S. Geographic Names Information System.

The change comes weeks after President Donald Trump signed an executive order to officially change the gulf's name in the U.S. Geographic Names Information System. But it won't affect all users — here's what to know.