Release 2021-09

Change-Id: I570f68d4950f79c88c6c93dc5cc4cedc9e7d397d
Signed-off-by: Eric Poirier <eric.poirier@eclipse-foundation.org>
diff --git a/content/en_index.php b/content/en_index.php
index affb01a..fab1e10 100644
--- a/content/en_index.php
+++ b/content/en_index.php
@@ -93,10 +93,10 @@
       <h1>Read Doc</h1>
       <p>Documentation is a great resource to get you started with the Eclipse IDE.</p>
       <ul>
-        <li>Getting Started with the <a href="http://help.eclipse.org/2021-06/nav/0">Eclipse IDE User Guide</a></li>
-        <li>Getting Started with <a href="http://help.eclipse.org/2021-06/nav/1">Java development</a></li>
+        <li>Getting Started with the <a href="http://help.eclipse.org/2021-09/nav/0">Eclipse IDE User Guide</a></li>
+        <li>Getting Started with <a href="http://help.eclipse.org/2021-09/nav/1">Java development</a></li>
         <li>All online <a href="http://help.eclipse.org">Documentation</a></li>
-        <li>What's new and noteworthy in <a href="/eclipse/news/4.20/">Eclipse SimRel 2021-06</a></li>
+        <li>What's new and noteworthy in <a href="/eclipse/news/4.21/">Eclipse SimRel 2021-09</a></li>
         <li><a href="content/eclipse-ide-keybindings.pdf">Eclipse IDE Keybindings</a></li>
       </ul>
     </div>