diff --git a/docs/unsure-where-to-put/federation-architecture.md b/docs/unsure-where-to-put/federation-architecture.md
index bd6c31fbfc..1ee0dfc78d 100644
--- a/docs/unsure-where-to-put/federation-architecture.md
+++ b/docs/unsure-where-to-put/federation-architecture.md
@@ -117,11 +117,11 @@ classDiagram
     }
   }
 
-  User *-- FederatedUser: FederatedUser.UserID
+  User "1" *-- "1" FederatedUser: FederatedUser.UserID
   PersonID -- FederatedUser : mapped by PersonID.ID == FederatedUser.externalID & FederationHost.ID
   PersonID -- FederationHost : mapped by PersonID.Host == FederationHost.HostFqdn
   FederatedUser -- FederationHost 
 
-  Repository *-- FollowingRepository
+  Repository "1" *-- "n" FollowingRepository: FollowingRepository.RepositoryID
   FollowingRepository -- FederationHost
 ```