Update docs/GitBranchSetup.md

Co-Authored-By: karanbirsingh <karanbir@uw.edu>

docs/GitBranchSetup.md

@@ -7,7 +7,7 @@ Licensed under the MIT License.
 
 This document describes how to set up your development environment and contribute changes to
 [accessibility-insights-windows](https://github.com/Microsoft/accessibility-insights-windows). This document assumes basic working knowledge
-with Git and related tools. We are providing instructions specific to this project.
+of Git and related tools. The instructions are specific to this project.
 
 ## Creating your own fork
 
@@ -80,4 +80,4 @@ Use these commands instead if you would like to update your current branch in yo
 > git fetch upstream
 > git pull upstream master
 > git push
-```
+```