Merge branch 'kateryna-lukina/certification-updates' of https://github.com/arduino/docs-content into kateryna-lukina/certification-updates

Author: kateryna-lukina

content/hardware/02.hero/boards/due/product.md

@@ -5,7 +5,7 @@ url_guide: /software/ide-v1/installing-sam-core
 core: arduino:sam
 forumCategorySlug: '/hardware/arduino-due/64'
 productCode: '009'
-certification: [CE, UKCA]
+certifications: [CE, UKCA]
 ---
 
 The Arduino Due is the first Arduino board based on a 32-bit ARM core microcontroller. With 54 digital input/output pins, 12 analog inputs, 2 DAC and 2 CAN it is the perfect board for powerful larger scale Arduino projects.