AGCM4 link in README.md (#15461)

8924c0f1 · Giuliano Zaro · Scott Lahteine · 203d260a · 8924c0f1
Commit 8924c0f1 authored 5 years ago by Giuliano Zaro Committed by Scott Lahteine 5 years ago
--- a/README.md
+++ b/README.md
@@ -49,7 +49,7 @@ Marlin 2.0 introduces a layer of abstraction so that all the existing high-level
  ----|---------|-----|-----|----|-----|---
  [STEVAL-3DP001V1](http://www.st.com/en/evaluation-tools/steval-3dp001v1.html)|[STM32F401VE Arm-Cortex M4](http://www.st.com/en/microcontrollers/stm32f401ve.html)|84MHz|512k|64+32k|3.3-5V|yes
  [Smoothieboard](http://reprap.org/wiki/Smoothieboard)|LPC1769 ARM-Cortex M3|120MHz|512k|64k|3.3-5V|no
-  [Adafruit Grand Central M4](https://www.adafruit.com/product/4064)|ARM-Cortex M4|120MHz|1M|256k|3.3V|yes
+  [Adafruit Grand Central M4](https://www.adafruit.com/product/4064)|[SAMD51P20A ARM-Cortex M4](https://www.microchip.com/wwwproducts/en/ATSAMD51P20A)|120MHz|1M|256k|3.3V|yes

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