Thank you for bringing this information. You can raise a PR. For more information you can refer About pull requests.Thanks!
Since there is no correct URL available should I just remove the documentation section of the file and make a pull request ?
No, we shouldn’t remove any section from the file.
The same broken link is at docs/README.md at master · tensorflow/docs · GitHub
I think that we could substitute that link with this forum URL suggesting to use the