Evidence that Apple will rebrand OS X to MacOS is starting to pile up, with the new name appearing briefly on Apple’s own website.

As spotted by 9to5Mac, Apple’s Environment page got an update on Thursday, and for a short time it included a reference to MacOS. “Years of use, which are based on first owners, are assumed to be four years for MacOS and tvOS devices and three years for iOS and watchOS devices,” the page said. (Apple has since reverted the name to OS X.)

This isn’t the first time the potential name change has slipped out. Last month, an Interface Builder document inside the OS X system folder included a file named “FUFlightViewController_macOS.nib” (emphasis ours). Still, 9to5Mac noted that the name could have been included for the sake of convenience, as developers sometimes prefer the symmetry of iOS and macOS suffixes together. The name’s appearance on an official webpage seems like strong evidence.

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