diff --git a/language/oop.xml b/language/oop.xml
index 3d377bf961..e957d93c23 100644
--- a/language/oop.xml
+++ b/language/oop.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.68 $ -->
+<!-- $Revision: 1.69 $ -->
  <chapter xml:id="language.oop" xmlns="http://docbook.org/ns/docbook">
   <title>Classes and Objects (PHP 4)</title>
 
@@ -7,7 +7,9 @@
    <title><literal>class</literal></title>
    <para>
     A class is a collection of variables and functions working with
-    these variables.  A class is defined using the following syntax:
+    these variables. Variables are defined by <literal>var</literal> and
+    functions by <literal>function</literal>. A class is defined using the
+    following syntax:
    </para>
    <para>
     <informalexample>