diff --git a/docs/manual/CoreTasks/property.html b/docs/manual/CoreTasks/property.html
index 83772a581..74bf7e550 100644
--- a/docs/manual/CoreTasks/property.html
+++ b/docs/manual/CoreTasks/property.html
@@ -156,12 +156,14 @@ SYSTEM).
   </tr>
   <tr>
     <td valign="top">relative</td>
-    <td valign="top">If set to <tt>true</tt> the relative path to <tt>basedir</tt> is set.</td>
+    <td valign="top">If set to <tt>true</tt> the relative path
+      to <tt>basedir</tt> is set.  <em>Since Ant 1.8.0</em></td>
     <td align="center" valign="top">No (default=<tt>false</tt>)</td>
   </tr>
   <tr>
     <td valign="top">basedir</td>
-    <td valign="top">The basedir to calculate the relative path from.</td>
+    <td valign="top">The basedir to calculate the relative path
+      from.  <em>Since Ant 1.8.0</em></td>
     <td align="center" valign="top">No (default=<tt>${basedir}</tt>)</td>
   </tr>
 </table>