diff --git a/reference/datetime/ini.xml b/reference/datetime/ini.xml
index 9f6d938ed2..64d418e3a7 100755
--- a/reference/datetime/ini.xml
+++ b/reference/datetime/ini.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.4 $ -->
+<!-- $Revision: 1.5 $ -->
 <section id="datetime.configuration">
  &reftitle.runtime;
  &extension.runtime;
@@ -114,7 +114,7 @@
       The default timezone used by all date/time functions if the
       <varname>TZ</varname> environment variable isn't set. The precedence
       order is described in the <function>date_default_timezone_get</function>
-      page.
+      page. See <xref linkend="timezones"/> for a list of supported timezones.
      </para>
     </listitem>
    </varlistentry>