CONTRIBUTING.md in ruby-lokalise-api-3.0.0

- old
+ new

@@ -8,7 +8,7 @@
 6. If necessary, add documentation for your feature or bug fix.
 7. Commit and push your changes.
 8. [Submit a pull request.][pr]
 
 [fork]: http://help.github.com/fork-a-repo/
-[branch]: http://learn.github.com/p/branching.html
-[pr]: http://help.github.com/send-pull-requests/
+[branch]: https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-branches
+[pr]: https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-requests