I'd also like to add one more sentence, though I'm very happy about all of the things you've removed!

>
And for each field, the ``Column`` can be configured further, setting the ``length``, ``nullable`` behavior, ``name`` and other options. For more details see: (link to http://docs.doctrine-project.org/projects/doctrine-orm/en/latest/reference/basic-mapping.html#property-mapping).