fix typo

Author: streamtw

docs/config.md

@@ -19,8 +19,8 @@
 
 ### If you want to name private folders other than columns of users table, follow these steps:
 1. Run `php artisan vendor:publish --tag=lfm_handler`.
-2. Fill `App\Handler\ConfigHander::class` into `user_field`.
-3. Edit `userField()` in the `App\Handler\ConfigHander`
+2. Fill `App\Handler\ConfigHandler::class` into `user_field`.
+3. Edit `userField()` in the `App\Handler\ConfigHandler`
 
 
 ## Working Directory:

src/config/lfm.php

@@ -43,8 +43,8 @@
 
     // Flexible way to customize client folders accessibility
     // If you want to customize client folders, publish tag="lfm_handler"
-    // Then you can rewrite userField function in App\Handler\ConfigHander class
-    // And set 'user_field' to App\Handler\ConfigHander::class
+    // Then you can rewrite userField function in App\Handler\ConfigHandler class
+    // And set 'user_field' to App\Handler\ConfigHandler::class
     // Ex: The private folder of user will be named as the user id.
     'user_folder_name'   => UniSharp\LaravelFilemanager\Handlers\ConfigHandler::class,