diff --git a/main/doc/apache-felix-framework-launching-and-embedding.html b/main/doc/apache-felix-framework-launching-and-embedding.html
index ac14e03..d2d0f82 100644
--- a/main/doc/apache-felix-framework-launching-and-embedding.html
+++ b/main/doc/apache-felix-framework-launching-and-embedding.html
@@ -7,7 +7,7 @@
     <link rel="stylesheet" href="apache-felix-framework-launching-and-embedding_files/site.css" type="text/css" media="all">
     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
   </head><body>
-    <div class="title"><div class="logo"><a href="http://felix.apache.org/site/index.html"><img alt="Apache Felix" src="apache-felix-framework-launching-and-embedding_files/logo.png" border="0"></a></div><div class="header"><a href="http://www.apache.org/"><img alt="Apache" src="apache-felix-framework-launching-and-embedding-Dateien/apache.png" border="0"></a></div></div>
+    <div class="title"><div class="logo"><a href="http://felix.apache.org/site/index.html"><img alt="Apache Felix" src="apache-felix-framework-launching-and-embedding_files/logo.png" border="0"></a></div><div class="header"><a href="http://www.apache.org/"><img alt="Apache" src="apache-felix-framework-launching-and-embedding_files/apache.png" border="0"></a></div></div>
     <div class="menu">
 <ul>
 	<li><a href="http://felix.apache.org/site/news.html" title="news">news</a></li>
@@ -198,6 +198,9 @@
 framework's configuration after construction. If you need a different
 configuration, you must create a new framework instance.</p>
 
+<table class="warningMacro" align="center" border="0" cellpadding="5" cellspacing="8" width="85%"><colgroup><col width="24"><col></colgroup><tbody><tr><td valign="top"><img src="apache-felix-framework-launching-and-embedding_files/forbidden.gif" alt="" align="absmiddle" border="0" height="16" width="16"></td><td><b class="strong">WARNING</b><br>
+<p>Felix <tt>1.4.0</tt> introduced some significant changes to its configuration properties; if you are upgrading from a previous version, the <a href="http://felix.apache.org/site/apache-felix-usage-documentation.html#ApacheFelixUsageDocumentation-migrating" title="migrating on Apache Felix Usage Documentation">usage document</a> describes the configuration property changes.</p></td></tr></tbody></table>
+
 <p><a name="ApacheFelixFrameworkLaunchingandEmbedding-startinginstance"></a></p>
 
 <h2><a name="ApacheFelixFrameworkLaunchingandEmbedding-StartingtheFrameworkInstance"></a>Starting the Framework Instance</h2>
@@ -976,6 +979,6 @@
 
 <h2><a name="ApacheFelixFrameworkLaunchingandEmbedding-Feedback"></a>Feedback</h2>
 
-<p>Subscribe to the Felix users mailing list by sending a message to <span class="nobr"><a href="mailto:users-subscribe@felix.apache.org" title="Send mail to users-subscribe@felix.apache.org" rel="nofollow">users-subscribe@felix.apache.org<sup><img class="rendericon" src="apache-felix-framework-launching-and-embedding_files/mail_small.gif" alt="" align="absmiddle" border="0" height="12" width="13"></sup></a></span>; after subscribing, email questions or feedback to <span class="nobr"><a href="mailto:users@felix.apache.org" title="Send mail to users@felix.apache.org" rel="nofollow">users@felix.apache.org<sup><img class="rendericon" src="apache-felix-framework-launching-and-embedding-Dateien/mail_small.gif" alt="" align="absmiddle" border="0" height="12" width="13"></sup></a></span>.</p>
+<p>Subscribe to the Felix users mailing list by sending a message to <span class="nobr"><a href="mailto:users-subscribe@felix.apache.org" title="Send mail to users-subscribe@felix.apache.org" rel="nofollow">users-subscribe@felix.apache.org<sup><img class="rendericon" src="apache-felix-framework-launching-and-embedding_files/mail_small.gif" alt="" align="absmiddle" border="0" height="12" width="13"></sup></a></span>; after subscribing, email questions or feedback to <span class="nobr"><a href="mailto:users@felix.apache.org" title="Send mail to users@felix.apache.org" rel="nofollow">users@felix.apache.org<sup><img class="rendericon" src="apache-felix-framework-launching-and-embedding_files/mail_small.gif" alt="" align="absmiddle" border="0" height="12" width="13"></sup></a></span>.</p>
     </div>
-  </body></html>
+  </body></html>
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