Update console import instructions to use a release tag where available and change the example of importing from OpenZeppelin Contracts to use an official release rather than the master branch.
You can also use a remix command remix.loadurl('<the_url>')in the console:
You can also use a remix command remix.loadurl('<the_url>')in the console. You should specify the release tag (where available), otherwise you will get the latest code in the master branch. For OpenZeppelin Contracts you should only use code published in an official release, the example below imports from OpenZeppelin Contracts v2.5.0.