Update README.md

Author: RichardLindhout

README.md

@@ -311,11 +311,11 @@ In your app starting entrypoint e.g. `./index.js` or even better use a `index.an
 
 ```javascript
 // on top of your index.android.js file
-const isAndroid = require('react-native').Platform.OS === 'android';
-const isHermesEnabled = !!global.HermesInternal;
+const isAndroid = require('react-native').Platform.OS === 'android'; // this line is only needed if you don't use an .android.js file
+const isHermesEnabled = !!global.HermesInternal;  // this line is only needed if you don't use an .android.js file
 
 // in your index.js file
-if (isHermesEnabled || isAndroid) {
+if (isHermesEnabled || isAndroid) {  // this line is only needed if you don't use an .android.js file
 
   require('@formatjs/intl-getcanonicallocales/polyfill');
   require('@formatjs/intl-locale/polyfill');
@@ -356,7 +356,7 @@ if (isHermesEnabled || isAndroid) {
     //    require("expo-localization").timezone
     //  );
   }
-}
+} // this line is only needed if you don't use an .android.js file
 ```
 
 ## Contributing