diff --git a/quartz/plugins/transformers/ofm.ts b/quartz/plugins/transformers/ofm.ts
index 8c8da67bc..8b95126dd 100644
--- a/quartz/plugins/transformers/ofm.ts
+++ b/quartz/plugins/transformers/ofm.ts
@@ -69,6 +69,8 @@ const callouts = {
 const calloutMapping: Record<string, keyof typeof callouts> = {
   note: "note",
   abstract: "abstract",
+  summary: "abstract",
+  tldr: "abstract",
   info: "info",
   todo: "todo",
   tip: "tip",
@@ -96,7 +98,7 @@ const calloutMapping: Record<string, keyof typeof callouts> = {
 
 function canonicalizeCallout(calloutName: string): keyof typeof callouts {
   let callout = calloutName.toLowerCase() as keyof typeof calloutMapping
-  return calloutMapping[callout] ?? calloutName
+  return calloutMapping[callout] ?? "note"
 }
 
 const capitalize = (s: string): string => {