diff --git a/reference/strings/functions/number-format.xml b/reference/strings/functions/number-format.xml
index 0779041f71..83ed3141b7 100644
--- a/reference/strings/functions/number-format.xml
+++ b/reference/strings/functions/number-format.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision: 1.14 $ -->
+<!-- $Revision: 1.15 $ -->
 <refentry xmlns="http://docbook.org/ns/docbook" xml:id="function.number-format" xmlns:xlink="http://www.w3.org/1999/xlink">
  <refnamediv>
   <refname>number_format</refname>
@@ -12,7 +12,12 @@
    <type>string</type><methodname>number_format</methodname>
    <methodparam><type>float</type><parameter>number</parameter></methodparam>
    <methodparam choice="opt"><type>int</type><parameter>decimals</parameter></methodparam>
-   <methodparam choice="opt"><type>string</type><parameter>dec_point</parameter></methodparam>
+  </methodsynopsis>
+  <methodsynopsis>
+   <type>string</type><methodname>number_format</methodname>
+   <methodparam><type>float</type><parameter>number</parameter></methodparam>
+   <methodparam><type>int</type><parameter>decimals</parameter></methodparam>
+   <methodparam><type>string</type><parameter>dec_point</parameter></methodparam>
    <methodparam><type>string</type><parameter>thousands_sep</parameter></methodparam>
   </methodsynopsis>
   <para>