minor updates to README grammar

README.md

@@ -12,7 +12,7 @@ Take a look at a sample [Photos](https://github.com/CosmicMind/Samples/tree/mast
 
 * [Photos Sample](https://github.com/CosmicMind/Samples/tree/master/Projects/Programmatic/Photos)
 
-### Who is this for?
+### Who is Motion for?
 
 Motion is designed for beginner to expert developers. For beginners, you will be exposed to very powerful APIs that would take time and experience to develop on your own, and experts will appreciate the time saved by using Motion.