diff --git a/appendices/configure/misc.xml b/appendices/configure/misc.xml
index 14dc4f39d2..9c281f1d2e 100644
--- a/appendices/configure/misc.xml
+++ b/appendices/configure/misc.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.2 $ -->
+<!-- $Revision: 1.3 $ -->
  <sect3 xml:id="configure.options.misc" xmlns="http://docbook.org/ns/docbook">
   <title>Misc options</title>
   <variablelist>
@@ -198,6 +198,7 @@ code!
      <para>
       Disable the URL-aware fopen wrapper that allows
       accessing files via HTTP or FTP.
+      (not available since PHP 5.2.5)
      </para>
     </listitem>
    </varlistentry>