diff --git a/functions/strings.xml b/functions/strings.xml
index 431cda00cd..3118f9390d 100644
--- a/functions/strings.xml
+++ b/functions/strings.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="iso-8859-1"?>
-<!-- $Revision: 1.165 $ -->
+<!-- $Revision: 1.166 $ -->
  <reference id="ref.strings">
   <title>String functions</title>
   <titleabbrev>Strings</titleabbrev>
@@ -3249,7 +3249,7 @@ $string = "This is\tan example\nstring";
 $tok = strtok($string," \n\t");
 while ($tok) {
     echo "Word=$tok<br>";
-    $tok = strtok(" ");
+    $tok = strtok(" \n\t");
 }
 ]]>
       </programlisting>