diff --git a/Frameworks/RSDatabase/Related Objects/RelatedObjectsMap.swift b/Frameworks/RSDatabase/Related Objects/RelatedObjectsMap.swift
index 62e7f0fdb..3ffd0b976 100644
--- a/Frameworks/RSDatabase/Related Objects/RelatedObjectsMap.swift	
+++ b/Frameworks/RSDatabase/Related Objects/RelatedObjectsMap.swift	
@@ -9,6 +9,7 @@
 import Foundation
 
 // Map objectID to [DatabaseObject] (related objects).
+// It’s used as the return value from DatabaseLookupTable.fetchRelatedObjects.
 
 public struct RelatedObjectsMap {