update comments

core/src/main/java/hudson/PluginManager.java

@@ -826,7 +826,7 @@ public abstract class PluginManager extends AbstractModelObject {
     }
     
     /**
-     * {@link AdministrativeMonitor} that checks if there's Jenkins update.
+     * {@link AdministrativeMonitor} that checks if there are any plugins with cycle dependencies.
      */
     @Extension
     public static final class PluginCycleDependenciesMonitor extends AdministrativeMonitor {

core/src/main/resources/hudson/PluginManager/PluginCycleDependenciesMonitor/message.jelly

 <!--
 The MIT License
 
-Copyright (c) 2004-2010, Sun Microsystems, Inc., Kohsuke Kawaguchi
+Copyright (c) 2012, Dominik Bartholdi
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal