diff --git a/00/README.md b/00/README.md
index 36421ca..df1adc7 100644
--- a/00/README.md
+++ b/00/README.md
@@ -38,11 +38,11 @@ Not much! If you have a modern browser that can do WebGL (like Chrome, Firefox o
 
 Alternatively, based on what you have or what you need from this book you can:
 
-- [Make a off-line version of this book](../90/)
+- [Make a off-line version of this book](http://thebookofshaders.com/appendix/index.html#00.md)
 
-- [Run the examples on a RaspberryPi without a browser](../91/)
+- [Run the examples on a RaspberryPi without a browser](http://thebookofshaders.com/appendix/index.html#01.md)
 
-- [Make a PDF of the book to print](../92/)
+- [Make a PDF of the book to print](http://thebookofshaders.com/appendix/index.html#02.md)
 
 - Use the [on-line repository](https://github.com/patriciogonzalezvivo/thebookofshaders) to help resolve issues and share code.
 
diff --git a/README.md b/README.md
index 77019c8..db7353d 100644
--- a/README.md
+++ b/README.md
@@ -51,8 +51,8 @@ This is a gentle step-by-step guide through the abstract and complex universe of
     * Reflect and refract
 
 * [Appendix](appendix/)
-    * [How can I navigate this book offline?](http://thebookofshaders.com/appendix/index.html#02.md)
-    * [How to use this book in a classroom with RaspberryPi?](http://thebookofshaders.com/appendix/index.html#02.md)
+    * [How can I navigate this book offline?](http://thebookofshaders.com/appendix/index.html#00.md)
+    * [How to use this book in a classroom with RaspberryPi?](http://thebookofshaders.com/appendix/index.html#01.md)
     * [How to print this book?](http://thebookofshaders.com/appendix/index.html#02.md)
 
 ## About the Author