Update readme.md

2017-05-31 15:54:27 -10:00 · 2017-05-31 15:54:27 -10:00 · b1a4279ca7
--- a/pico/readme.md
+++ b/pico/readme.md
@ -2,7 +2,7 @@ More info here:

 http://www.40percent.club/2016/12/pico.html

-http://www.40percent.club/2016/12/two-keys.html
+http://www.40percent.club/2016/12/2-keys.html

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