diff --git a/reference/xmlreader/xmlreader/isvalid.xml b/reference/xmlreader/xmlreader/isvalid.xml
index 5dd6083672..16bb9f59f1 100644
--- a/reference/xmlreader/xmlreader/isvalid.xml
+++ b/reference/xmlreader/xmlreader/isvalid.xml
@@ -31,7 +31,8 @@
 <?php
 $xml = XMLReader::open('test.xml');
 
-// You must to use it
+// The validate parser option must be enabled for 
+// this method to work properly
 $xml->setParserProperty(XMLReader::VALIDATE, true);
 
 var_dump($xml->isValid());
@@ -41,6 +42,14 @@ var_dump($xml->isValid());
    </example>
   </para>
  </refsect1>
+ <refsect1 role="notes">
+  &reftitle.notes;
+  <note>
+   <simpara>
+    This checks the current node, not the entire document.
+   </simpara>
+  </note>
+ </refsect1>
  <refsect1 role="seealso">
   &reftitle.seealso;
   <para>