Fix Reader role link in security concepts documentation

Corrected the link for the Reader role in Azure RBAC documentation.

Author: AntoineJo

articles/azure-functions/security-concepts.md

@@ -78,7 +78,7 @@ As with any application or service, the goal is to run your function app with th
 
 #### User management permissions
 
-Functions supports built-in [Azure role-based access control (Azure RBAC)](../role-based-access-control/overview.md). Azure roles supported by Functions are [Contributor](../role-based-access-control/built-in-roles.md#contributor), [Owner](../role-based-access-control/built-in-roles.md#owner), and [Reader](../role-based-access-control/built-in-roles.md#owner).
+Functions supports built-in [Azure role-based access control (Azure RBAC)](../role-based-access-control/overview.md). Azure roles supported by Functions are [Contributor](../role-based-access-control/built-in-roles.md#contributor), [Owner](../role-based-access-control/built-in-roles.md#owner), and [Reader](../role-based-access-control/built-in-roles.md#reader).
 
 Permissions are effective at the function app level. The Contributor role is required to perform most function app-level tasks. You also need the Contributor role along with the [Monitoring Reader permission](/azure/azure-monitor/roles-permissions-security#monitoring-reader) to be able to view log data in Application Insights. Only the Owner role can delete a function app.