Updated TMK Based Projects (markdown)

TMK-Based-Projects.md

@@ -2,7 +2,7 @@
 Add your project here!
 See https://github.com/tmk/tmk_keyboard/issues/173
 
-### keyboard
+### keyboards
 **S60-X**: [DIY 60% keyboard](https://www.massdrop.com/buy/sentraq-60-diy-keyboard-kit?mode=guest_open) designed by [VinnyCordeiro](https://github.com/VinnyCordeiro) for Sentraq:
 - https://github.com/VinnyCordeiro/tmk_keyboard
 
@@ -15,4 +15,4 @@ See https://github.com/tmk/tmk_keyboard/issues/173
 **KMAC, 1,2 and Happy**: Custom keyboard designed by kbdmania.
 - https://github.com/ageaenes/tmk_keyboard
 
-### converter
+### converters