Update README.md

README.md

 
 ## Installation - iOS
 
- * Make sure you are using react-native version >= 0.25.1
+ * Make sure you are using react-native version 0.25.1
 
  * In your project folder run `npm install react-native-navigation --save`
 > Note: We recommend using npm ver 3+. If you insist on using npm ver 2 please notice that the location for react-native-controllers in node_modules will be under the react-native-navigation folder and you'll need to change the paths in Xcode below accordingly.
 
 ## Installation - Android
 
+* Make sure you are using react-native version 0.25.1
+
  >Note: Android adaptation is still under active development therfore the API might break from time to time. 
  
 1.  Add the following to your `settings.gradle` file located in the `android` folder: