diff --git a/packages/catalog-model/api-report.md b/packages/catalog-model/api-report.md
index f204c0b76d..2d91fa44a5 100644
--- a/packages/catalog-model/api-report.md
+++ b/packages/catalog-model/api-report.md
@@ -122,7 +122,7 @@ interface DomainEntityV1alpha1 extends Entity {
   // (undocumented)
   spec: {
     owner: string;
-    domain?: string;
+    subdomainOf?: string;
   };
 }
 export { DomainEntityV1alpha1 as DomainEntity };