Fix ambiguity in the manual

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@274210 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/jar.html

@@ -28,7 +28,7 @@ supports all attributes of <code>&lt;fileset&gt;</code>
 <code>&lt;patternset&gt;</code> elements.</p>
 <p>You can also use nested file sets for more flexibility, and specify
 multiple ones to merge together different trees of files into one JAR.
-The extended fileset and groupfileset attributes from the zip task are
+The extended fileset and groupfileset child elements from the zip task are
 also available in the jar task.
 See the <a href="zip.html">Zip</a> task for more details and examples.</p>
 <p>If the manifest is omitted, a simple one will be supplied by Ant.</p>