Update README.md

README.md

 ## Important
 We are currently in late stages of development of [v2](https://github.com/wix/react-native-navigation/tree/v2), which is published to npm under `alpha` tag.
 * New to RNN? We recommend you start with [v2](https://github.com/wix/react-native-navigation/tree/v2).
-* Already using v1? now is the time to migrate your code base to [v2](https://github.com/wix/react-native-navigation/tree/v2), and you can easily do do with a single line of code using the [v1-v2 adapter](https://github.com/wix-playground/react-native-navigation-v1-v2-adapter).
+* Already using v1? now is the time to migrate your code base to [v2](https://github.com/wix/react-native-navigation/tree/v2), and you can easily do so with a single line of code using the [v1-v2 adapter](https://github.com/wix-playground/react-native-navigation-v1-v2-adapter).
 <br><br>Have any questions regarding v2? Join us in [Discord](https://discord.gg/DhkZjq2) #v2 channel.
 
 <br><br>Latest stable version is `1.1.x` and is published to npm under tag `latest`. It supports react-native >= 0.48.