diff --git a/001.simple_image/README.md b/001.simple_image/README.md
index 54500dc..62dfe53 100644
--- a/001.simple_image/README.md
+++ b/001.simple_image/README.md
@@ -1,6 +1,6 @@
 Display a simple image
 ======================
 
-Building on trackdisk.device, we now display a simple color image
+Building on [trackdisk.device](../000.trackdisk), we now display a simple color image.
 
 Image display code and conversion tools adapted from https://github.com/vilcans/amiga-startup