Update getting-started.md (#1070)

I guess its a typo, otherwise it will make no sense.

Author: Jeysoon

versioned_docs/version-4.x/getting-started.md

@@ -56,7 +56,7 @@ In your project directory, run:
 npm install react-native-reanimated react-native-gesture-handler react-native-screens react-native-safe-area-context @react-native-community/masked-view
 ```
 
-> Note: You might get warnings related to peer dependencies after installation. They are usually caused my incorrect version ranges specified in some packages. You can safely ignore most warnings as long as your app builds.
+> Note: You might get warnings related to peer dependencies after installation. They are usually caused by incorrect version ranges specified in some packages. You can safely ignore most warnings as long as your app builds.
 
 Next, we need to link these libraries. The steps depends on your React Native version: