diff --git a/RSWeb/Sources/RSWeb/HTMLMetadataDownloader.swift b/RSWeb/Sources/RSWeb/HTMLMetadataDownloader.swift
index 4a66b2d49..c59f0b7a9 100644
--- a/RSWeb/Sources/RSWeb/HTMLMetadataDownloader.swift
+++ b/RSWeb/Sources/RSWeb/HTMLMetadataDownloader.swift
@@ -10,6 +10,8 @@ import Foundation
 import os
 import RSParser
 
+// To get a notification when HTMLMetadata is cached, see HTMLMetadataCache.
+
 public final class HTMLMetadataDownloader: Sendable {
 
 	public static let shared = HTMLMetadataDownloader()