ZF-10359: clarification of display group creation in docs

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@23243 44c647ce-9c0f-0410-b52a-842ac1e357ba

documentation/manual/en/module_specs/Zend_Form-Forms.xml

@@ -615,7 +615,7 @@ $form->setElementFilters(array('StringTrim'));
             <classname>Zend_Form_DisplayGroup</classname>. While it can be instantiated
             directly, it is usually best to use <classname>Zend_Form</classname>'s
             <methodname>addDisplayGroup()</methodname> method to do so. This method takes an
-            array of elements as its first argument, and a name for the display
+            array of element names as its first argument, and a name for the display
             group as its second argument. You may optionally pass in an array of
             options or a <classname>Zend_Config</classname> object as the third argument.
         </para>