Update 3.0.md

response object smartAPI example formatting

Author: amrapalijz

versions/3.0.md

@@ -1895,10 +1895,10 @@ responses:
     - application/ld+json:
       x-responseProfile: http://www.w3.org/ns/anno.jsonld
       x-responseValueType: 
-        - path: a.id
-	  valueType: http://example.org/a.id
-	- path: a.b.c.id
-	  valueType: http://example.org/c.id
+       - path: a.id
+	 valueType: http://example.org/a.id
+       - path: a.b.c.id
+	 valueType: http://example.org/c.id
 ```
 
 #### <a name="callbackObject"></a>Callback Object