Update readme.md

2018-05-03 07:42:55 -10:00 · 2018-05-03 07:42:55 -10:00 · 5801563bde
--- a/halfhalf/readme.md
+++ b/halfhalf/readme.md
@ -1,6 +1,6 @@
 More info here:

-http://www.40percent.club/2018/07/halfhalf.html
+http://www.40percent.club/2018/07/half-n-half.html

 BOM (per side)