Documentation button redirects to 404 error page in Match3

The documentation button does not redirect to the correct documentation page.

Tested on iPhone6S_6240 OS: 9.3.4

1. Open UnrealMatch3 in the editor
2. Launch onto mobile device
3. Exit to the Main Menu
4. Click on the hamburger icon
5. Click on the documentation button

Result: Documentation button redirects to a 404 page not found error