Fix for README typo.

README.md

@@ -28,7 +28,7 @@ A great deal of inspiration came from working with the following excellent proje
 ### Setup
   - We are very impressed by what Jooby has done with server configuration  
   - Parameters are all configured in the ```conf/application.conf``` file 
-  - Proteus applications generally have a main method that creates an instance of ```io.sinistral.proteus.Application``` 
+  - Proteus applications generally have a main method that creates an instance of ```io.sinistral.proteus.ProteusApplication``` 
   - The user adds ```Service``` and ```Module``` classes to the application instance via ```addService``` and ```addModule``` methods prior to calling ```start``` 
 
 ### Getting Started