diff --git a/reference/pcre/pattern.modifiers.xml b/reference/pcre/pattern.modifiers.xml
index 3dc5e6a344..3963a24c3e 100644
--- a/reference/pcre/pattern.modifiers.xml
+++ b/reference/pcre/pattern.modifiers.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.12 $ -->
+<!-- $Revision: 1.13 $ -->
 <!-- splitted from ./en/functions/pcre.xml, last change in rev 1.2 -->
 <refentry xml:id="reference.pcre.pattern.modifiers" xmlns="http://docbook.org/ns/docbook">
  <refnamediv>
@@ -172,6 +172,15 @@
        </simpara>
       </listitem>
      </varlistentry>
+     <varlistentry>
+      <term><emphasis>J</emphasis> (PCRE_INFO_JCHANGED)</term>
+      <listitem>
+       <simpara>
+        The (?J) internal option setting changes the local PCRE_DUPNAMES option.
+        Allow duplicate names for subpatterns.
+       </simpara>
+      </listitem>
+     </varlistentry>
      <varlistentry>
       <term><emphasis>u</emphasis> (PCRE_UTF8)</term>
       <listitem>