diff --git a/docs/IoTutorial.html b/docs/IoTutorial.html
index 4f748798c..3122831a5 100644
--- a/docs/IoTutorial.html
+++ b/docs/IoTutorial.html
@@ -171,7 +171,7 @@ <h2>Introduction<a name="Introduction"></a></h2>
 Io> d foreach(i, v, writeln(i, ": ", v))
 0: 5
 1: 123
-3: 20
+2: 20
 
 Io> list("abc", "def", "ghi") foreach(println)
 abc
@@ -236,4 +236,4 @@ <h2>Introduction<a name="Introduction"></a></h2>
 <br>
 <br>
 <br>
-<br>
\ No newline at end of file
+<br>