Update content/hardware/05.pro-solutions/solutions-and-kits/stella/product.md

Co-authored-by: Josefine Herlin <[email protected]>

Author: BenjaminDannegard

content/hardware/05.pro-solutions/solutions-and-kits/stella/product.md

@@ -7,7 +7,7 @@ primary_button_title: Get Started
 secondary_button_url: /tutorials/
 secondary_button_title: Bootloader Guide
 core: arduino:mbed_portenta
-forumCategorySlug: '/hardware/'
+forumCategorySlug: '/hardware/stella/91'
 certifications: [CE, FCC, UKCA, ROHS, REACH, WEEE, Bluetooth declaration]
 productCode: '211'
 sku: [ABX00131]