message: chore(VISION): add missing word
diff: @@ -217,7 +217,7 @@ so we can safely report and fix issues.
  After writing this up, it is easier to articulate what sorts of things many
  might associate with an HTTP library, but which are explicitly *not* for hyper.
  -These are all things that definitely **out of scope**.
  +These are all things that are definitely **out of scope**.
  - TLS: We learned early that bundling TLS directly in hyper [has
  problems](https://github.com/hyperium/hyper/issues/985). People also have
  