Update ReadMe

Author: llaumgui

README.md

@@ -2,7 +2,6 @@
 
 [![Author][ico-twitter]][link-twitter]
 [![Build Status][ico-ghactions]][link-ghactions]
-[![PHP Version][ico-php]][link-php]
 [![MediaWiki Version][ico-mediawiki]][link-mediawiki]
 [![Latest Version][ico-version]][link-packagist]
 
@@ -37,6 +36,8 @@ Allow auto creation of MediaWiki account from Flarum ? Becarrefull, also Need
 
 ```php
 $wgGroupPermissions['*']['autocreateaccount'] = true;
+$wgGroupPermissions['*']['createaccount'] = false;
+$wgGroupPermissions['sysop']['createaccount'] = false;
 ```
 
 Example:
@@ -57,8 +58,6 @@ $wgAuthFlarumAutoCreateMinPost = 100;
 
 [ico-twitter]: https://img.shields.io/static/v1?label=Author&message=llaumgui&color=50ABF1&logo=twitter&style=flat-square
 [link-twitter]: https://twitter.com/llaumgui
-[ico-php]: https://img.shields.io/packagist/php-v/llaumgui/mw-auth-flarum?color=%234F5B93&logo=php&style=flat-square
-[link-php]: https://www.php.net
 [ico-mediawiki]: https://img.shields.io/static/v1?label=mediawiki&message=%E2%89%A51.36&color=cd1f44&logo=wikipedia&style=flat-square
 [link-mediawiki]: https://www.mediawiki.org/
 [ico-ghactions]: https://img.shields.io/github/actions/workflow/status/llaumgui/mw-auth-flarum/qa.yaml?branch=main&style=flat-square&logo=github&label=Tests