Find out here how to use this handy feature of that App ››
If you don't have a Mac, there is still a way that you can change this information about a photo - known as the photo's 'metadata'.
As with most things we want to do on our mobile devices, THERE IS AN APP FOR THAT.
The app that seems to best satisfy this is one called Metadata Pro, which is $4.49.
Give it a go, and let me know what you think!