Update README.md

Doc updated after the single object POST response format change.

README.md

@@ -48,21 +48,19 @@ Making a POST to the resource that we want (fighters in this case) with the `"Co
 curl -H "Content-Type: application/json" -X POST -d '{"name": "Chuck Norris", "style": "Karate"}' http://localhost:8000/api/fighters
 ```
 
-And it returns a JSON array with a JSON object with an ID autogenerated:
+And it returns a JSON object with an ID autogenerated:
 
 ```json
-[  
-   {  
-      "style":"Karate",
-      "name":"Chuck Norris",
-      "id":1
-   }
-]
+{  
+   "style":"Karate",
+   "name":"Chuck Norris",
+   "id":1
+}
 ```
 
 This will create a `db` folder in your working directory and a `fighters` directory inside with a file called `1`.
 
-We can also insert fighters in bulk by using a JSON array:
+We can also **bulk insert** a bunch of fighters by using a JSON array:
 
 ```bash
 curl -H "Content-Type: application/json" -X POST -d '[{"name": "Bruce Lee", "style": "Kung Fu"}, {"name": "Rocky Balboa", "style": "Boxing"}]' http://localhost:8000/api/fighters