Update README.md

Author: zunnu

README.md

@@ -5,7 +5,7 @@ The point of this plugin is to quickly show different associations of your CakeP
 
 
 ## Requirements
-* CakePHP 3.x
+* CakePHP 4.x
 * PHP 7.2 >
 
 ## Installing Using [Composer][composer]
@@ -40,4 +40,4 @@ Licensed under [The MIT License][mit].
 
 [cakephp]:http://cakephp.org
 [composer]:http://getcomposer.org
-[mit]:http://www.opensource.org/licenses/mit-license.php
+[mit]:http://www.opensource.org/licenses/mit-license.php