diff --git a/backend/src/main/java/org/raddatz/familienarchiv/search/NlQueryParserService.java b/backend/src/main/java/org/raddatz/familienarchiv/search/NlQueryParserService.java
index 41d3dbd2..35e52994 100644
--- a/backend/src/main/java/org/raddatz/familienarchiv/search/NlQueryParserService.java
+++ b/backend/src/main/java/org/raddatz/familienarchiv/search/NlQueryParserService.java
@@ -161,6 +161,7 @@ public class NlQueryParserService {
                 ? new ArrayList<>(seen).subList(0, MAX_RESOLVED_TAGS)
                 : new ArrayList<>(seen);
 
+        // safe: entities are detached here; mutation is for DTO projection only, no dirty-check fires
         tagService.resolveEffectiveColors(capped);
 
         List<TagHint> hints = capped.stream()