Update db.json

Author: typicode

db.json

@@ -5,7 +5,7 @@
     { "id": 3, "title": "Post 3" },
   ],
   "comments": [
-    { "id": 1, "body": "some comment", "postId": 1 }
+    { "id": 1, "body": "some comment", "postId": 1 },
     { "id": 2, "body": "some comment", "postId": 1 }
   ],
   "profile": {