Chore: Point to new white label URL (#3402)

README.md

@@ -31,7 +31,7 @@ Also check the [#react-native](https://open.rocket.chat/channel/react-native) co
 Are you a dev and would like to help? Found a bug that you would like to report or a missing feature that you would like to work on? Great! We have written down a [Contribution guide](https://github.com/RocketChat/Rocket.Chat.ReactNative/blob/develop/CONTRIBUTING.md) so you can start easily.
 
 ## Whitelabel
-Do you want to make the app run on your own server only? [Follow our whitelabel documentation.](https://docs.rocket.chat/guides/developer/mobile-apps/whitelabeling-mobile-apps)
+Do you want to make the app run on your own server only? [Follow our whitelabel documentation.](https://developer.rocket.chat/mobile-app/mobile-app-white-labelling)
 
 ## Engage with us
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