diff --git a/example/example.org b/example/example.org
index 7dfb970..b0c23ee 100644
--- a/example/example.org
+++ b/example/example.org
@@ -1,6 +1,6 @@
 #+TITLE: Examples of usage of =dds=
 
-#+PROPERTY: header-args:racket :prologue "#lang racket\n(require graph dds/networks.rkt dds/utils.rkt)"
+#+PROPERTY: header-args:racket :prologue "#lang racket\n(require graph dds/networks dds/utils)"
 
 * Introduction
   This document shows some examples of usage of the modules in =dds=