Update m5stack_dial.md

Seems that this was made by copy and paste from another m5stack board.

Author: dglaude

_board/m5stack_dial.md

@@ -36,8 +36,8 @@ M5Dial provides versatile power supply options to cater to various needs. It acc
 
 ## Documentation
 
-* [AtomS3 Lite](https://docs.m5stack.com/en/core/M5Dial)
+* [M5Dial](https://docs.m5stack.com/en/core/M5Dial)
 
 ## Purchase
 
-* [M5Stack](https://shop.m5stack.com/products/m5stack-dial-esp32-s3-smart-rotary-knob-w-1-28-round-touch-screen)
+* [M5Stack](https://shop.m5stack.com/products/m5stack-dial-esp32-s3-smart-rotary-knob-w-1-28-round-touch-screen)