Update README.md

Author: Richard Hua

README.md

@@ -550,19 +550,19 @@ In it's most basic form, this command only requires two parameters: your app nam
 ```shell
 code-push release-react <appName> <platform>
 
-code-push release-react MyApp ios
+code-push release-react MyApp-iOS ios
 code-push release-react MyApp-Android android
 ```
 
 The `release-react` command enables such a simple workflow because it provides many sensible defaults (e.g. generating a release bundle, assuming your app's entry file on iOS is either `index.ios.js` or `index.js`). However, all of these defaults can be customized to allow incremental flexibility as necessary, which makes it a good fit for most scenarios.
 
 ```shell
 # Release a mandatory update with a changelog
-code-push release-react MyApp ios -m --description "Modified the header color"
+code-push release-react MyApp-iOS ios -m --description "Modified the header color"
 
 # Release an update for an app that uses a non-standard entry file name, and also capture
 # the sourcemap file generated by react-native bundle
-code-push release-react MyApp ios --entryFile MyApp.js --sourcemapOutput ../maps/MyApp.map
+code-push release-react MyApp-iOS ios --entryFile MyApp.js --sourcemapOutput ../maps/MyApp.map
 
 # Release a dev Android build to just 1/4 of your end users
 code-push release-react MyApp-Android android --rollout 25% --dev true