diff --git a/src/main/java/ChatGUI.java b/src/main/java/ChatGUI.java
index 4340cd3..de20bd9 100644
--- a/src/main/java/ChatGUI.java
+++ b/src/main/java/ChatGUI.java
@@ -16,14 +16,19 @@ import javax.swing.JTextField;
 
 public class ChatGUI implements ActionListener {
 	
+	// Menu items for font sizes
 	JMenuItem small = new JMenuItem("small-font");
 	JMenuItem medium = new JMenuItem("medium-font");
 	JMenuItem large = new JMenuItem("large-font");
-	JMenuItem exit = new JMenuItem("Exit");
+
+	// Menu items for font colors
 	JMenuItem black = new JMenuItem("black");
 	JMenuItem red = new JMenuItem("red");
 	JMenuItem blue = new JMenuItem("blue");
 	JMenuItem green = new JMenuItem("green");
+	
+	JMenuItem exit = new JMenuItem("Exit");
+	
 	JTextField inputTextField = new JTextField();
 	JTextArea outputTextArea = new JTextArea();
 
@@ -35,12 +40,13 @@ public class ChatGUI implements ActionListener {
 		// Set up the main frame
 		gui.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
 		gui.setTitle("java-chat");
-
 		gui.setLayout(new BorderLayout());
-
+		
+		// Set up the menu bar
 		JMenuBar bar = new JMenuBar();
 		gui.setJMenuBar(bar);
-
+		
+		// Create menu items and menus
 		JMenu options = new JMenu("options");
 		JMenu colors = new JMenu("font-colors");
 		JMenu size = new JMenu("font-size");
@@ -60,7 +66,8 @@ public class ChatGUI implements ActionListener {
 		size.add(small);
 		size.add(medium);
 		size.add(large);
-
+		
+		// Register action listeners for menu items
 		red.addActionListener(this);
 		blue.addActionListener(this);
 		black.addActionListener(this);
@@ -90,7 +97,7 @@ public class ChatGUI implements ActionListener {
 		gui.setSize(quarterWidth, quarterHeight);
 		gui.setVisible(true);
 	}
-
+	// main methode zum Testen, müsste bei Implementation entfernt werden
 	public static void main(String[] args) {
 
 		new ChatGUI();