private void createContent() {
        content = new JEditorPane();
        content.setContentType("text/html");
        content.setEditable(false);
        setNicerFont(content);

        content.addHyperlinkListener( new HyperlinkListener() {
            @Override
            public void hyperlinkUpdate(HyperlinkEvent e) {
                if( e.getEventType() == HyperlinkEvent.EventType.ACTIVATED
                    && Desktop.isDesktopSupported() ) {
                    try {
                        Desktop.getDesktop().browse( e.getURL().toURI() );
                    } catch (URISyntaxException | IOException ex) { /* not supported */ }
                }
            }
        });
    }