Minor fix

Author: pepone

js/Ice/optional/README.md

@@ -46,6 +46,8 @@ First, start the server application.
 Ice for JavaScript has limited server-side support. As a result, you need to start an Option server implemented in a
 language that fully supports server-side functionality, such as C++, C#, Java, Python, or Swift.
 
+You can start either version 1 or version 2 of the server.
+
 Then navigate to the client1 directory and run version 1 of the client:
 
 ```shell