Update README.md

keyboard/planck/README.md

@@ -4,6 +4,7 @@ DIY/Assembled compact ortholinear keyboard by [Ortholinear Keyboards](http://ort
 
 ## Notable TMK forks (which some of the keymap files are from)
 - [Shane's Fork](https://github.com/shanecelis/tmk_keyboard/tree/master/keyboard/planck)
+- [Pierre's Fork](https://github.com/pcarrier/tmk_keyboard/blob/pcarrier/planck/keyboard/gh60/keymap_planck.c)
 
 ## Build
 Move to this directory then just run `make` like: