diff -r fd8c40ff78c3 -r 824d4042c857 src/main/java/de/uapcore/lightpit/Menu.java
--- a/src/main/java/de/uapcore/lightpit/Menu.java	Sat May 09 15:19:21 2020 +0200
+++ b/src/main/java/de/uapcore/lightpit/Menu.java	Sat May 09 17:01:29 2020 +0200
@@ -1,8 +1,8 @@
 /*
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
- * 
+ *
  * Copyright 2018 Mike Becker. All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
@@ -24,7 +24,7 @@
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
- * 
+ *
  */
 package de.uapcore.lightpit;
 
@@ -35,30 +35,30 @@
 /**
  * Maps a resource key for the menu label to the path name for the underlying
  * site.
- * 
+ * <p>
  * Objects of this class are internally instantiated by the
  * {@link ModuleManager}.
  */
 public class Menu extends MenuEntry {
-    
+
     private final List<MenuEntry> entries = new ArrayList<>();
     private final List<MenuEntry> immutableEntries = Collections.unmodifiableList(entries);
-    
+
     /**
      * Class name of the module for which this menu is built.
      */
     private String moduleClassName;
-    
-    
+
+
     public Menu() {
         super();
     }
-    
+
     public Menu(String moduleClassName, ResourceKey resourceKey, String pathName) {
         super(resourceKey, pathName);
         this.moduleClassName = moduleClassName;
     }
-    
+
     public void setModuleClassName(String moduleClassName) {
         this.moduleClassName = moduleClassName;
     }
@@ -69,7 +69,7 @@
 
     /**
      * Sets a new list of menu entries for this menu.
-     * 
+     *
      * @param entries the list of new menu entries
      */
     public void setEntries(List<MenuEntry> entries) {
@@ -80,15 +80,16 @@
 
     /**
      * Retrieves an immutable list of menu entries for this menu.
-     * 
+     *
      * @return the list of menu entries
      */
     public List<MenuEntry> getEntries() {
         return immutableEntries;
     }
-    
+
     /**
      * Adds a new menu entry to this menu.
+     *
      * @param entry the menu entry to add
      */
     public void addMenuEntry(MenuEntry entry) {