diff --git a/language/types.xml b/language/types.xml
index 15c4901a5d..3b1bf9befb 100644
--- a/language/types.xml
+++ b/language/types.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.193 $ -->
+<!-- $Revision: 1.194 $ -->
  <chapter xml:id="language.types" xmlns="http://docbook.org/ns/docbook">
   <title>Types</title>
 
@@ -2417,6 +2417,7 @@ $var = NULL;
       <programlisting role="php">
 <![CDATA[
 <?php 
+
 // An example callback function
 function my_callback_function() {
     echo 'hello world!';
@@ -2424,7 +2425,7 @@ function my_callback_function() {
 
 // An example callback method
 class MyClass {
-    function myCallbackMethod() {
+    static function myCallbackMethod() {
         echo 'Hello World!';
     }
 }
@@ -2438,6 +2439,10 @@ call_user_func(array('MyClass', 'myCallbackMethod'));
 // Type 3: Object method call
 $obj = new MyClass();
 call_user_func(array($obj, 'myCallbackMethod'));
+
+// Type 4: Static class method call (As of PHP 5.2.3)
+call_user_func('MyClass::myCallbackMethod');
+
 ?>
 ]]>
       </programlisting>