fixed roles and accounts link references (#1323)

website/content/docs/concepts/domain-model/managed-groups.mdx

@@ -39,15 +39,16 @@ OIDC managed groups have the following additional attributes:
   Managed Groups Filtering][] page.
 
 [filtering concepts]: /docs/concepts/filtering
+[oidc managed groups filtering]: /docs/concepts/filtering/oidc-managed-groups
 
 ## Referenced By
 
-- [Account][]
+- [Accounts][]
 - [Auth Method][]
 
-[account]: /docs/concepts/domain-model/account
 [accounts]: /docs/concepts/domain-model/accounts
 [auth method]: /docs/concepts/domain-model/auth-methods
+[roles]: /docs/concepts/domain-model/roles
 
 ## Service API Docs