Fixing version number in nav

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@492003 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/xdocs/navigation.xml b/xdocs/navigation.xml
index 498a074..af7e18a 100644
--- a/xdocs/navigation.xml
+++ b/xdocs/navigation.xml
@@ -29,7 +29,7 @@
       <item name="Overview" href="/index.html"/>
       <item name="Download" href="http://jakarta.apache.org/site/downloads/downloads_commons-lang.cgi"/>
       <item name="User guide" href="/userguide.html"/>
-      <item name="Javadoc (2.2 release)" href="api-release/index.html"/>
+      <item name="Javadoc (2.3 release)" href="api-release/index.html"/>
     </menu>
 
     <menu name="Development">