Create README.md

README.md

 
 ## Exercise
 
-Using this project as a starter, create a Person class as an entity to persist to H2 with an autogenerated id. Provide a RestController for Person with endpoints for HTTP GET, PUT, POST, and DELETE operations mapping to their appropriate CRUD behaviors. endpoints should be at `/person` and `/person/{id}` as appropriate. See the snippet below for setting Person IDs:
+Using this project as a starter, create a Person class as an entity to persist to H2 with an autogenerated id. Provide a RestController for Person with endpoints for HTTP GET, PUT, POST, and DELETE operations mapping to their appropriate CRUD behaviors. Endpoints should be at `/person` and `/person/{id}` as appropriate and provide the correct HTTP status codes in the response. See the snippet below for setting Person IDs:
 
 ```Java
 @Entity