message: Adds the minimum target note
diff: @@ -36,6 +36,10 @@ npm run test
  | `@types/web` [0.0.1](https://www.npmjs.com/package/@types/web/v/0.0.1) | ~4.3 | 4.4 |
  | `@types/web` [0.0.2](https://www.npmjs.com/package/@types/web/v/0.0.2) | ~4.4 beta | 4.4 |
  +## `@types/[lib]` Minimum Target
  +
  +The libraries available on `@types/` like `@types/web` require a [`"target"`](https://www.typescriptlang.org/tsconfig#target) of ES6 or above, because [iterator](https://www.typescriptlang.org/docs/handbook/iterators-and-generators.html) APIs are included.
  +
  ## Contribution Guidelines
  The `dom.generated.d.ts`, `webworker.generated.d.ts` and `dom.iterable.generated.d.ts` files from the TypeScript repo are used as baselines.
  