The repository can be checked out using the following:

$ git clonehttps://github.com/selinux-policy/selinux-policy.git

Or if you already have the repository checked out, you can change to the new location via:

$ git set-url originhttps://github.com/selinux-policy/selinux-policy.git

Also feel free to help us and create a pull request for your changes.

Regards, Miroslav