typo

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274573 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/sync.html

@@ -40,7 +40,7 @@ more filesets.</p>
   </tr>
   <tr>
     <td valign="top">failonerror</td>
-     <tcd valign="top">Log a warning message, but do not stop the build,
+     <td valign="top">Log a warning message, but do not stop the build,
        when one of the nested filesets points to a directory that
        doesn't exist.
      </td>