diff --git a/reference/phar/book.xml b/reference/phar/book.xml
index 6013ae124d..ca39efc6f2 100644
--- a/reference/phar/book.xml
+++ b/reference/phar/book.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- $Revision: 1.6 $ -->
+<!-- $Revision: 1.7 $ -->
 <!-- Purpose: compression -->
 <!-- Membership: pecl -->
 
@@ -110,7 +110,7 @@
      <![CDATA[
  <?php
  $phar = new Phar('myphar.phar');
- $phar->convertToTar();
+ $pgz = $phar->convertToExecutable(Phar::TAR, Phar::GZ); // makes myphar.phar.tar.gz
  ?>
      ]]>
     </programlisting>