diff --git a/appendices/about.xml b/appendices/about.xml
index ef57c82f35..8460657e5c 100644
--- a/appendices/about.xml
+++ b/appendices/about.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.50 $ -->
+<!-- $Revision: 1.51 $ -->
 
 <appendix xml:id="about" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>About the manual</title>
@@ -260,10 +260,11 @@ Returns the length of given string.
  <sect1 xml:id="about.phpversions">
   <title>PHP versions documented in this manual</title>
   <para>
-   This documentation contains information about current and future PHP versions, with
-   some added migration and compatibility notes regarding PHP 3. Behaviour,
-   parameter, return value and other changes between different PHP
-   versions are documented in notes and inline text in the manual.
+   The manual contains information about past, current, and future versions
+   of PHP. Changes in behaviour are documented as notes, changelogs, and 
+   inline text within the manual pages. 
+   The earliest documented version is PHP 4.1.0, 
+   whereas the latest is PHP 6.x.x.
   </para>
   <para>
    Documentation partly exists for the CVS version of PHP, which