message: docs: Add more clarification to req/request object
diff: @@ -136,10 +136,11 @@ All optional attributes are passed as part of the options to ``captureException`
  If you're inside a context and your context data includes a ``user`` key, that data will be merged into this.
  -.. describe:: req
  +.. describe:: request
  - The ``req`` object associated with this event, from a Node http server, Express, Koa, or similar.
  - Will be parsed for request details and user context from ``req.user`` if present.
  + Alias: ``req``. The ``request`` object associated with this event, from a Node http server, Express, Koa, or similar.
  + Will be parsed for request details and user context from ``request.user`` if present. It will only pull out the data
  + that's handled by the server: ``headers``, ``method``, ``host``, ``protocol``, ``url``, ``query``, ``cookies``, ``body``, ``ip`` and ``user``.
  .. code-block:: javascript
  