diff --git a/backend/src/test/java/org/raddatz/familienarchiv/geschichte/journeyitem/JourneyItemDocumentDeleteTest.java b/backend/src/test/java/org/raddatz/familienarchiv/geschichte/journeyitem/JourneyItemDocumentDeleteTest.java
index b23ef447..f1319cb2 100644
--- a/backend/src/test/java/org/raddatz/familienarchiv/geschichte/journeyitem/JourneyItemDocumentDeleteTest.java
+++ b/backend/src/test/java/org/raddatz/familienarchiv/geschichte/journeyitem/JourneyItemDocumentDeleteTest.java
@@ -95,6 +95,8 @@ class JourneyItemDocumentDeleteTest {
     void cleanup() {
         SecurityContextHolder.clearContext();
         reset(documentRepository);
+        // Deletion order is FK-load-bearing: journey_items reference both documents
+        // and geschichten, so children must be removed before their parents.
         journeyItemRepository.deleteAll();
         docRepo.deleteAll();
         geschichteRepository.deleteAll();