Updated readme for correct composer version syntax

readme.md

@@ -13,7 +13,7 @@ With this Laravel package you can validate email input that it contains or not c
 Require this package in your `composer.json` and update composer.
 
 ```php
-"madeitbelgium/laravel-email-domain-validation": "~1.*"
+"madeitbelgium/laravel-email-domain-validation": "~1.0"
 ```
 
 After updating composer, add the ServiceProvider to the providers array in `config/app.php`