clarify instructions

examples/src/TcpExamples/TcpExample4TerminalLog.txt

 Invocation instructions:
-1. run/debug TcpExample4ThreaTcpExample4DispatchServerdServer.java
-2. don't run TcpExample4HandlerThread since it is launched as needed
+1. run/debug TcpExample4ThreadTcpExample4DispatchServerServer.java
+2. don't run TcpExample4HandlerThread (since it is automatically launched as needed)
 3. run/debug TcpExample4Client.java
 
-Two program response logs:
+Two program response logs, server and client:
 
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