typo detected by Jon Stevens

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@964043 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/Types/resources.html

@@ -1121,10 +1121,10 @@ larger collection. <strong>Since Ant 1.7.1</strong>.</p>
 
   <pre>
     &lt;copy todir="${target}"&gt;
-      &lt;mapperesources&gt;
+      &lt;mappedresources&gt;
         &lt;fileset dir="${src}"/&gt;
         &lt;globmapper from="*" to="*.bak"/&gt;
-      &lt;/mapperesources&gt;
+      &lt;/mappedresources&gt;
     &lt;/copy&gt;
   </pre>