[DOCUMENTATION] typo from constucting to constructing

git-svn-id: http://framework.zend.com/svn/framework/standard/trunk@17356 44c647ce-9c0f-0410-b52a-842ac1e357ba

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

@@ -19,7 +19,7 @@
             whether it should be active when calling <code>$page->isActive()</code>.
             It merely returns what currently is set, so to make a <acronym>URI</acronym> page active
             you have to manually call <code>$page->setActive()</code> or
-            specifying <code>active</code> as a page option when constucting.
+            specifying <code>active</code> as a page option when constructing.
         </para>
     </note>