message: docs: fix typo in renderer description
  PR Close
diff: * We do this by defining a subset of DOM API to be the renderer and than
  * use that time for rendering.
  *
  - * At runtime we can than use the DOM api directly, in server or web-worker
  + * At runtime we can then use the DOM api directly, in server or web-worker
  * it will be easy to implement such API.
  */
  