Unbreak docs tests
Syntax-highlighter packages are available for
`Atom <https://atom.io/packages/edgedb>`_,
- `Visual Studio Code <https://marketplace.visualstudio.com/itemdetails?itemName=magicstack.edgedb>`_,
+ `Visual Studio Code <https://marketplace.visualstudio.com/
+ itemdetails?itemName=magicstack.edgedb>`_,
`Sublime Text <https://packagecontrol.io/packages/EdgeDB>`_,
and `Vim <https://github.com/edgedb/edgedb-vim>`_.
