diff --git a/appendices/about.xml b/appendices/about.xml
index 27d2fdcc58..575f29be97 100644
--- a/appendices/about.xml
+++ b/appendices/about.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.21 $ -->
+<!-- $Revision: 1.22 $ -->
 
 <!--
   TODO: add manual conventions section (eg. how to read
@@ -269,8 +269,8 @@ Returns the length of string.
   </para>
   <para>
    You may also encounter documentation for a PHP version which is
-   not released (something like PHP 4.3.0 as the latest stable version
-   is 4.2.3). Most of the time, this is not an error in the documentation.
+   not released (something like PHP 5.0.0 as the latest stable version
+   is 4.3.0). Most of the time, this is not an error in the documentation.
    Explanation is often added for features not available in the current
    PHP release, but will be available in a known future PHP version.
   </para>