diff --git a/deathstar/readme.md b/deathstar/readme.md
index ee9865d..81ee378 100644
--- a/deathstar/readme.md
+++ b/deathstar/readme.md
@@ -1,6 +1,6 @@
 More info here:
 
-http://www.40percent.club/2017/09/deathstar
+http://www.40percent.club/2017/09/deathstar.html
 
 [How to order PCBs from gerber files](http://www.40percent.club/2017/03/ordering-pcb.html)