docs: we should check max length first

Author: kenjis

user_guide_src/source/tutorial/create_news_items/002.php

@@ -24,8 +24,8 @@ public function create()
 
         // Checks whether the submitted data passed the validation rules.
         if (! $this->validateData($post, [
-            'title' => 'required|min_length[3]|max_length[255]',
-            'body'  => 'required|min_length[10]|max_length[5000]',
+            'title' => 'required|max_length[255]|min_length[3]',
+            'body'  => 'required|max_length[5000]|min_length[10]',
         ])) {
             // The validation fails, so returns the form.
             return view('templates/header', ['title' => 'Create a news item'])