fix: Address missing feedback from prev PR (facebook#3312)

docs/new-architecture-intro.md

@@ -22,10 +22,9 @@ The guide is divided into five sections:
     - [iOS](new-architecture-library-ios)
 - **Supporting the New Architecture in your App**
   - [Prerequisites for Supporting the New Architecture in your App](new-architecture-app-intro)
-  - Enabling the New NativeModule System (TurboModule) in your App
-    - [Android](new-architecture-app-modules-android)
-  - Enabling the New Renderer (Fabric) in your App
-    - [Android](new-architecture-app-renderer-android)
+  - Android
+    - [Enabling the New NativeModule System (TurboModule) in your App](new-architecture-app-modules-android)
+    - [Enabling the New Renderer (Fabric) in your App](new-architecture-app-renderer-android)
 - [**React 18 & React Native**](react-18-and-react-native)
 - [**Troubleshooting**](new-architecture-troubleshooting)
 - [**Appendix**](new-architecture-appendix)

docs/react-18-and-react-native.md

@@ -110,6 +110,7 @@ On iOS, you'll have access to the `concurrentRootEnabled` method on your `AppDel
 /// @return: `true` if the `concurrentRoot` feture is enabled. Otherwise, it returns `false`.
 - (BOOL)concurrentRootEnabled
 {
+  // Switch this bool to turn on and off the concurrent root
   return true;
 }
 ```

website/versioned_docs/version-0.70/new-architecture-app-intro.md

@@ -18,13 +18,7 @@ This guide is written with the expectation that you’re using the latest React
 To update to the most recent version of React Native, you can run this command:
 
 ```bash
-yarn add react-native@0.70.0
-```
-
-Starting from React Native `0.69.0`, you may also need to update the version of React to 18. You can do so by using this command:
-
-```bash
-yarn add react@18.0.0
+npx react-native upgrade
 ```
 
 ### Android specifics