diff --git a/reference/stream/functions/stream-filter-append.xml b/reference/stream/functions/stream-filter-append.xml
index 77f5ee3063..bd28b4e987 100644
--- a/reference/stream/functions/stream-filter-append.xml
+++ b/reference/stream/functions/stream-filter-append.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.15 $ -->
+<!-- $Revision: 1.16 $ -->
   <refentry id="function.stream-filter-append">
    <refnamediv>
     <refname>stream_filter_append</refname>
@@ -50,7 +50,7 @@
 <![CDATA[
 <?php
 /* Open a test file for reading and writing */
-$fp = fopen("test.txt", "rw");
+$fp = fopen('test.txt', 'w+');
 
 /* Apply the ROT13 filter to the
  * write filter chain, but not the