diff --git a/reference/array/functions/array-diff-ukey.xml b/reference/array/functions/array-diff-ukey.xml
index 50b1af507c..c6ef699f27 100644
--- a/reference/array/functions/array-diff-ukey.xml
+++ b/reference/array/functions/array-diff-ukey.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
   <refentry id="function.array-diff-ukey">
    <refnamediv>
     <refname>array_diff_ukey</refname>
@@ -64,13 +64,6 @@ array(2) {
       </screen>
      </example>
     </para>
-    <simpara>
-     The two keys from the <literal>key =&gt; value</literal> pairs are
-     considered equal only if 
-     <literal>(string) $key1 === (string) $key2 </literal>. In other words
-     a strict type check is executed so the string representation must be
-     the same.
-    </simpara>
     <note>
      <simpara>
       Please note that this function only checks one dimension of a n-dimensional