Doc revisions (#125)

* Correcting grammar and clarifying the messagining for overview.mdx

* Grammar and clarity changes on Butler Flow page

* Further Grammar and clarity changes on Butler Flow page

* Grammar and clarity updates on the Getting Started section

* Grammar and clarity on the index page

Author: aspleenic

content/docs/index.mdx

@@ -29,7 +29,7 @@ Read about it over [Why GitButler](/why-gitbutler) Section.
 
 ## What We Do
 
-The GitButler client is a powerful Git client. You can manage your branches, work on multiple things at once, push and fetch from your Git server, easily rebase and modify commits and more. We have a unique approach to merge conflicts that help split up any conflicting work. It also keeps a timeline so that you can easily undo any operation.
+The GitButler client is a powerful Git client. You can manage your branches, work on multiple things at once, push and fetch from your Git server, easily rebase and modify commits and more. We have a unique approach to merge conflicts that helps split up any conflicting work. It also keeps a timeline so that you can easily undo any operation.
 
 - [Virtual Branches](/features/branch-management/virtual-branches)
 - [First Class Conflicts](/features/branch-management/merging)