diff --git a/reference/intl/functions/grapheme-extract.xml b/reference/intl/functions/grapheme-extract.xml
index 7e53d2d138..d533129605 100644
--- a/reference/intl/functions/grapheme-extract.xml
+++ b/reference/intl/functions/grapheme-extract.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision: 1.3 $ -->
+<!-- $Revision: 1.4 $ -->
 <refentry xml:id="function.grapheme-extract" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
   <refname>grapheme_extract</refname>
@@ -12,7 +12,9 @@
    <type>string</type><methodname>grapheme_extract</methodname>
   <methodparam><type>string</type><parameter>haystack</parameter></methodparam>
   <methodparam><type>int</type><parameter>size</parameter></methodparam>
+  <methodparam choice='opt'><type>int</type><parameter>extract_type</parameter></methodparam>
   <methodparam choice='opt'><type>int</type><parameter>start</parameter></methodparam>
+  <methodparam choice='opt'><type>int</type><parameter role="reference">next</parameter></methodparam>
   </methodsynopsis>
   <para>
    Function to extract a sequence of default grapheme clusters from a text buffer, which must be encoded in UTF-8. 
@@ -68,6 +70,16 @@
       </para>
      </listitem>
     </varlistentry>
+    <varlistentry>
+     <term><parameter>next</parameter></term>
+     <listitem>
+      <para>
+      Reference to a value that will be set to the next starting position.
+      When the call returns, this may point to the first byte position past the end of the string.
+      </para>
+     </listitem>
+    </varlistentry>
+ 
    </variablelist>
   </para>
  </refsect1>