[ZF-8368]Minor grammatical error in Zend_Navigation

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@23815 44c647ce-9c0f-0410-b52a-842ac1e357ba

documentation/manual/en/module_specs/Zend_Navigation-Pages-MVC.xml

@@ -90,7 +90,7 @@
         <title>getHref() generates the page URI</title>
 
         <para>
-            This example show that <acronym>MVC</acronym> pages use
+            This example shows that <acronym>MVC</acronym> pages use
             <classname>Zend_Controller_Action_Helper_Url</classname> internally
             to generate <acronym>URI</acronym>s when calling <code>$page->getHref()</code>.
         </para>
@@ -123,7 +123,7 @@ $page = new Zend_Navigation_Page_Mvc(array(
         <title>isActive() determines if page is active</title>
 
         <para>
-            This example show that <acronym>MVC</acronym> pages determine whether they are active
+            This example shows that <acronym>MVC</acronym> pages determine whether they are active
             by using the params found in the request object.
         </para>