doc improvement.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@14243 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/resources/lib/hudson/propertyTable.jelly

-<!--
-  Dispaly sortable table of properties.
-
-  items="<a map object>"
--->
 <j:jelly xmlns:j="jelly:core" xmlns:x="jelly:xml" xmlns:st="jelly:stapler" xmlns:d="jelly:define" xmlns:l="/lib/layout" xmlns:t="/lib/hudson" xmlns:f="/lib/form">
+  <st:documentation>
+    Dispaly sortable table of properties.
+
+    <st:attribute name="items" use="required">
+      A Map object that gets rendered as a table.
+    </st:attribute>
+  </st:documentation>
   <table class="pane sortable">
     <tr>
       <th class="pane-header" initialSortDir="down">${%Name}</th>