message: Fix grammar in Presets page
diff: @@ -18,7 +18,7 @@ title: Presets
  ### Basic usage
  -In most cases, simply setting the `preset` key to the desired preset name in your Jest config should be enough to start using TypeScript with Jest (assuming you added `ts-jest` to your dev. dependencies of course):
  +In most cases, simply setting the `preset` key to the desired preset name in your Jest config should be enough to start using TypeScript with Jest (assuming you added `ts-jest` to your `devDependencies` of course):
  ```js
  // jest.config.js
  @@ -48,7 +48,7 @@ module.exports = {
  Any preset can also be used with other options.
  If you're already using another preset, you might want only some specific settings from the chosen `ts-jest` preset.
  -In this case you'll need to use the JavaScript version of Jest config (comment/uncomment according to your use-case):
  +In this case you'll need to use the JavaScript version of Jest config (comment/uncomment according to your use case):
  ```js
  // jest.config.js
  