how-to-sync-repos.md

-This is the procedure to sync this fairchat.ReactNative repo on your machine with the upstream/master branch of the [Rocket.Chat.ReactNative]
-(https://github.com/RocketChat/Rocket.Chat.ReactNative/) project.
+Here we describe the procedure to sync this fairchat.ReactNative repo on your machine with the upstream/master branch of the [Rocket.Chat.ReactNative](https://github.com/RocketChat/Rocket.Chat.ReactNative/) project.
+
+The Rocket.Chat.ReactNative upstream/master is the `develop` branch (you have that also locally in your git). It may be merged with the fairchat.ReactNative develop branch, which is `fairchat-master`.
 
 
 Open Terminal.
@@ -54,7 +55,7 @@ Instead of merging, we may want to rebase so that we have a new master with all
 > git checkout fairchat-master     
 > git rebase upstream/master    
 
-Now you solve the merge conflicts e.g. using Gitkraken. 
+Now you solve the merge conflicts e.g. using `mergetools` . 
 
 Build the app.