Update README.md

Author: BrunoSpy

README.md

@@ -6,7 +6,7 @@
 
 http://www.eurocontrol.int/service/network-manager-business-business-b2b-web-services
 
-Supported versions : 22.0 - 22.5 - 23.0 - 23.5
+Supported versions : 22.0 - 22.5 - 23.0 - 23.5 - 24.0
 
 ## Requirements
 
@@ -71,4 +71,4 @@ Get current version of NM services.
 
 ```php
 $client->airspaceServices()->getNMVersion(); //returns "21.5.0"
-```
+```