diff --git a/chapters/config.xml b/chapters/config.xml
index b0a51db7fb..3725d86db7 100644
--- a/chapters/config.xml
+++ b/chapters/config.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.76 $ -->
+<!-- $Revision: 1.77 $ -->
  <chapter id="configuration">
   <title>Configuration</title>
 
@@ -194,10 +194,11 @@ include_path = ".;c:\php\lib"
         </note>
         <warning>
          <para> 
-          On Windows, the following functions do not support remote file
-          accesing: <function>include</function>,
-          <function>include_once</function>, <function>require</function> and
-          <function>require_once</function>.
+          On Windows versions prior to PHP 4.3, the following functions do not
+          support remote file accesing: <function>include</function>,
+          <function>include_once</function>, <function>require</function>,
+          <function>require_once</function> and the imagecreatefromXXX
+          functions in the <xref linkend="ref.image"/> extension.
          </para>
         </warning>
 
diff --git a/reference/filesystem/reference.xml b/reference/filesystem/reference.xml
index 506244ad85..e00a6c944a 100644
--- a/reference/filesystem/reference.xml
+++ b/reference/filesystem/reference.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.5 $ -->
+<!-- $Revision: 1.6 $ -->
  <reference id="ref.filesystem">
   <title>Filesystem functions</title>
   <titleabbrev>Filesystem</titleabbrev>
@@ -65,6 +65,11 @@
          because people using carriage-returns as item separators under
          Unix systems would experience non-backwards-compatible behaviour.
         </para>
+        <note>
+         <simpara>
+          This configuration option was introduced in PHP 4.3.
+         </simpara>
+        </note>
        </listitem>
       </varlistentry>
      </variablelist>