Update readme.md

2018-04-03 12:03:26 -10:00 · 2018-04-03 12:03:26 -10:00 · 82995fce66
--- a/gnap4x4/readme.md
+++ b/gnap4x4/readme.md
@ -1,6 +1,6 @@
 More info here:

-http://www.40percent.club/2018/04/gnap_4x4.html
+http://www.40percent.club/2018/04/gnap-4x4.html

 [How to order PCBs from gerber files](http://www.40percent.club/2017/03/ordering-pcb.html)