Note for Netcat for masOS

examples/src/TcpExamples/TcpExample1Telnet.java

@@ -47,7 +47,7 @@ public class TcpExample1Telnet
         {
             System.out.println(TcpExample1Telnet.class.getName() + " has started and is waiting for a connection.");
             System.out.println("  help: https://savage.nps.edu/Savage/developers.html#telnet");
-            System.out.println("  enter (telnet localhost 2317) or (nc localhost 2317)..." );
+            System.out.println("  enter (telnet localhost 2317) or, for macOS (nc localhost 2317)..." );
 			
             // The ServerSocket waits for a connection from a client.
             // It returns a Socket object when the connection occurs.