diff --git a/README.md b/README.md
index 1f53801..4473f34 100644
--- a/README.md
+++ b/README.md
@@ -5,4 +5,4 @@ What is this?
 This is the source code for the [CTHN Mini LED Cube project][1] as it is going to
 be implemented during a workshop series.
 
-[1] http://www.cthn.de/projects/LEDCube
+[1]: http://www.cthn.de/projects/LEDCube