diff --git a/reference/spl/splqueue/setiteratormode.xml b/reference/spl/splqueue/setiteratormode.xml
index 8caacc2d77..0b092f3918 100644
--- a/reference/spl/splqueue/setiteratormode.xml
+++ b/reference/spl/splqueue/setiteratormode.xml
@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='iso-8859-1'?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <refentry xml:id="splqueue.setiteratormode" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
   <refname>SplQueue::setIteratorMode</refname>
@@ -28,20 +28,19 @@
        <listitem>
         <simpara>The behavior of the iterator (either one or the other):</simpara>
         <itemizedlist>
-         <listitem><simpara>SplDoublyLinkedList::IT_MODE_DELETE (Elements are deleted by the iterator)</simpara></listitem>
-         <listitem><simpara>SplDoublyLinkedList::IT_MODE_KEEP (Elements are traversed by the iterator)</simpara></listitem>
+         <listitem><simpara><constant>SplDoublyLinkedList::IT_MODE_DELETE</constant> (Elements are deleted by the iterator)</simpara></listitem>
+         <listitem><simpara><constant>SplDoublyLinkedList::IT_MODE_KEEP</constant> (Elements are traversed by the iterator)</simpara></listitem>
         </itemizedlist>
        </listitem>
       </itemizedlist>
 
       <para>
-       The default mode is 0x0 : SplDoublyLinkedList::IT_MODE_FIFO | SplDoublyLinkedList::IT_MODE_KEEP
+       The default mode is: <constant>SplDoublyLinkedList::IT_MODE_FIFO</constant> | <constant>SplDoublyLinkedList::IT_MODE_KEEP</constant>
       </para>
 
       <warning>
        <para>
-        The direction of iteration can no longer be changer for SplQueues. 
-        Trying to do so will result in a <classname>RuntimeException</classname> being thrown.
+        The direction of iteration can not be changed for SplQueues, it is always <constant>SplDoublyLinkedList::IT_MODE_FIFO</constant>.
        </para>
       </warning>
      </listitem>
@@ -57,6 +56,13 @@
   </para>
  </refsect1>
 
+ <refsect1 role="errors">
+  &reftitle.errors;
+  <para>
+   Throws a <classname>RuntimeException</classname> on trying to change the direction of iteration by using <constant>SplDoublyLinkedList::IT_MODE_LIFO</constant>.
+  </para>
+ </refsect1>
+
 </refentry>
 
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