diff --git a/README.md b/README.md
index bc87b6c..d8358d2 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 Scanning Tunneling Microscope
 =============================
-**TODO**: What is this all about?
+This repository contains the technical documents for the [Scanning Tunneling
+Microscope (STM) we are currently (re)building](https://wiki.fa-fo.de/projects:stm).
 
 ### Working State of the CAD Model
 ![CAD Screenshot](./CAD-Screenshot.png)