Update README.md

Author: patriziotomato

README.md

@@ -6,7 +6,7 @@
 
 ## Installation
 
-    composer require real-media-technic-staudacher/laravel-flatfiles:^4.0
+    composer require real-media-technic-staudacher/laravel-flatfiles:^5.0
 
 To overwrite the default configuration
 
@@ -232,4 +232,4 @@ You are free to disable the exception via the config `drivers.csv.ignore_sylk_ex
 
 - Added return types. Also in interfaces. So mainly interfaces have to be checked: ie. `public function fields(): array;`. Tipp: Search for `public function fields(` across the whole project.
 - New Namespace. Change imports from `LaravelFlatfiles\*` to `RealMediaTechnicStaudacher\LaravelFlatfiles\*`
-- Changed order of callback paramters of field callback method to prevent `$null` in most of the calls `function ($null, Asset $asset)`. Now: `function (Asset $asset)`. Tipp: Search for `function ($null` and all `function fields` in your editor. 
+- Changed order of callback paramters of field callback method to prevent `$null` in most of the calls `function ($null, Asset $asset)`. Now: `function (Asset $asset)`. Tipp: Search for `function ($null` and all `function fields` in your editor.