Update readme.md

Author: RyanDaDeng

readme.md

@@ -55,7 +55,7 @@ php artisan make:jsontoclass
             ],
             'followers' => (array)[
                 'id'            => '',
-                'follower_user' => [
+                'follower_user' => (object)[
                     'first_name' => '',
                     'last_name'  => ''
                 ]
@@ -67,12 +67,14 @@ php artisan make:jsontoclass
 
 Note: each object should have key name defined. 
 
-- If it is object please put `object`. 
+- If it is object please define it as a `object`, see above.
 - If your components are array of object, please define it as a pure array.
+- You have to assign a value for each property, for example, an empty string `''` for `first_name`.
 
 #### or JSON
 
-Note: I have disabled JSON method, you need to convert JSON to PHP array yourself. (You can use online convert tool if necessary)
+- I have disabled JSON method, you need to convert JSON to PHP array yourself. (You can use online convert tool if necessary)
+- Then please follow Array Input instruction.