fix error for include link

Author: Rick-Kirkham

docs/design/microsoft-365-extension-management-icons.md

@@ -16,4 +16,4 @@ An Office add-in is an App for Microsoft 365, just as are Teams apps and Copilot
 > - This article *isn't* about designing icons for an add-in's ribbon buttons. For guidance about those, start with [Icon guidelines for Office Add-ins](add-in-icons.md).
 > - For guidance about designing icons that represent an add-in Microsoft Marketplace, see [Create an icon for your add-in](/partner-center/marketplace-offers/create-effective-office-store-listings#create-an-icon-for-your-add-in).
 
-[!INCLUDE [Microsoft 365 icon design guidance](~/reusable-content/microsoft-365-development/includes/design-microsoft-365-extension-icons.md)]
+[!INCLUDE [Microsoft 365 icon design guidance](~/../reusable-content/microsoft-365-development/includes/design-microsoft-365-extension-icons.md)]