diff --git a/SignalServiceKit/src/Messages/Interactions/OWSLinkPreview.swift b/SignalServiceKit/src/Messages/Interactions/OWSLinkPreview.swift
index 9f52e3ad4..8b1eb18eb 100644
--- a/SignalServiceKit/src/Messages/Interactions/OWSLinkPreview.swift
+++ b/SignalServiceKit/src/Messages/Interactions/OWSLinkPreview.swift
@@ -518,7 +518,7 @@ public class OWSLinkPreview: MTLModel {
 
     // This cache should only be accessed on serialQueue.
     //
-    // We should only main
+    // We should only maintain a "cache" of the last known draft.
     private static var linkPreviewDraftCache: OWSLinkPreviewDraft?
 
     private class func cachedLinkPreview(forPreviewUrl previewUrl: String) -> OWSLinkPreviewDraft? {