fixup! Add documentation about the identity federation concept in SCS (#72)

Signed-off-by: Arvid Requate <requate@univention.de>

Author: reqa

dev-docs/operations/iam/identity-federation-in-scs.md

@@ -18,8 +18,7 @@ The following sections describe how this is done.
 ## 1. IaaS / OpenStack
 
 To provide Infrastrucure as a Service SCS builds upon
-OpenStack. See the `openstack-federation-via-oidc` document
-in [the iam section of this documentation](https://docs-staging.scs.community/docs/iam/)
+OpenStack. See section [OpenStack Federation via OpenID-Connect](https://docs-staging.scs.community/dev-docs/operations/iam/openstack-federation-via-oidc)
 for more details on identity federation for OpenStack.
 
 ## 2. CaaS