public void actionPerformed(ActionEvent e) {
                JOptionPane.showMessageDialog(frame,
                            "This is a conversation box in a  simple peer to peer chat client.\n" +
                            "To send a message, simply type what you would like to send and then\n" +
                            "click on the send button. You can leave the conversation from the\n" +
                            "menu by going to Chat -> Leave. We hope you enjoy the program!",
                            "Contents", JOptionPane.INFORMATION_MESSAGE);
            }