Fixed bookmark link

Author: rolyon

articles/role-based-access-control/role-assignments-powershell.md

@@ -220,7 +220,7 @@ The following example removes the <role_name> role from <object_id> at the manag
 Remove-AzRoleAssignment -ObjectId <object_id> -RoleDefinitionName <role_name> -Scope /providers/Microsoft.Management/managementGroups/<group_id>
 ```
 
-If you get the error message: "The provided information does not map to a role assignment", make sure that you also specify the `-Scope` or `-ResourceGroupName` parameters. For more information, see [Troubleshoot RBAC for Azure resources](troubleshooting.md#role-assignments-with-unknown-security-principal).
+If you get the error message: "The provided information does not map to a role assignment", make sure that you also specify the `-Scope` or `-ResourceGroupName` parameters. For more information, see [Troubleshoot RBAC for Azure resources](troubleshooting.md#role-assignments-with-identity-not-found).
 
 ## Next steps