diff --git a/language/oop.xml b/language/oop.xml
index 6670b32cbc..cc4784b54f 100644
--- a/language/oop.xml
+++ b/language/oop.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.41 $ -->
+<!-- $Revision: 1.42 $ -->
  <chapter id="language.oop">
   <title>Classes and Objects</title>
 
@@ -489,7 +489,7 @@ $b = new B;
 
    <caution>
     <simpara>
-     The following is valid for PHP 4 only.
+     The following is valid for PHP 4 and later only.
     </simpara>
    </caution>