Product metadata update

Author: TaddyHC

content/hardware/04.pro/shields/portenta-mid-carrier-proto-shield/product.md

@@ -2,8 +2,8 @@
 title: Arduino® Portenta Mid Carrier Proto Shield
 url_shop: https://store.arduino.cc/products/portenta-mid-carrier-proto-shield
 url_guide: /tutorials/portenta-mid-carrier-proto-shield/user-manual
-primary_button_url: /tutorials/portenta-mid-carrier-proto-shield/user-manual
-primary_button_title: User Manual
+primary_button_url: https://docs.arduino.cc/hardware/portenta-proto-kit-me
+primary_button_title: Pro Proto Kit
 certifications: []
 sku: [ASX00072]
 ---