Merge pull request #962 from lpww/patch-1

[Docs] Add missing full stops in GettingStarted.md

docs/GettingStarted.md

@@ -23,8 +23,8 @@ next: tutorial
 
 In the newly created folder `AwesomeProject/`
 
-- Open `AwesomeProject.xcodeproj` and hit run in Xcode
-- Open `index.ios.js` in your text editor of choice and edit some lines
+- Open `AwesomeProject.xcodeproj` and hit run in Xcode.
+- Open `index.ios.js` in your text editor of choice and edit some lines.
 - Hit cmd+R in your iOS simulator to reload the app and see your change!
 
 Congratulations! You've just successfully run and modified your first React Native app.