$ git remote -v
View existing remotes
origin https://github.com/user/repo.git (fetch)
origin https://github.com/user/repo.git (push)
$ git remote set-url origin https://github.com/user/repo2.git
Change the ‘origin’ remote’s URL
$ git remote -v
Verify new remote URL
origin https://github.com/user/repo2.git (fetch)
origin https://github.com/user/repo2.git (push)
REF:: https://help.github.com/articles/changing-a-remote-s-url/