Updating CocoaPods install docs

Author: lostintangent

README.md

@@ -124,8 +124,12 @@ We hope to eventually remove the need for steps #2-4, but in the meantime, RNPM
     pod 'CodePush', :path => './node_modules/react-native-code-push'
     ```
 
+    *NOTE: The above path needs to be relative to your app's `Podfile`, so adjust it as neccessary.*
+    
 2. Run `pod install`
 
+*NOTE: The CodePush `.podspec` depends on the `React` pod, and so in order to ensure that it can correctly use the version of React Native that your app is built with, please make sure to define the `React` dependency in your app's `Podfile` as explained [here](http://facebook.github.io/react-native/docs/embedded-app-ios.html#install-react-native-using-cocoapods).*
+
 #### Plugin Installation (iOS - Manual)
 
 1. Open your app's Xcode project