diff --git a/src/main/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactEntity.java b/src/main/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactEntity.java
index c3ecb6be..60d5fea0 100644
--- a/src/main/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactEntity.java
+++ b/src/main/java/net/hostsharing/hsadminng/hs/office/contact/HsOfficeContactEntity.java
@@ -36,7 +36,7 @@ public class HsOfficeContactEntity implements Stringifyable, HasUuid {
     private String label;
 
     @Column(name = "postaladdress")
-    private String postalAddress;
+    private String postalAddress; // TODO: check if we really want multiple, if so: JSON-Array or Postgres-Array?
 
     @Column(name = "emailaddresses", columnDefinition = "json")
     private String emailAddresses; // TODO: check if we can really add multiple. format: ["eins@...", "zwei@..."]