diff --git a/quartz/components/Head.tsx b/quartz/components/Head.tsx
index f4a1aa962..6ee0b4057 100644
--- a/quartz/components/Head.tsx
+++ b/quartz/components/Head.tsx
@@ -37,11 +37,13 @@ async function generateSocialImage(opts: ImageOptions) {
   fs.writeFileSync(`${imageDir}/${fileName}.${extension}`, compressed)
 }
 
+// TODO: add to config and use in generateSocialImage
+// Social image defaults
 const ogHeight = 1200
 const ogWidth = 676
 const extension = "webp"
-
 const imageDir = "public/static/social-images"
+
 export default (() => {
   let fontsPromise: Promise<SatoriOptions["fonts"]>
   function Head({ cfg, fileData, externalResources }: QuartzComponentProps) {
diff --git a/quartz/util/defaultImage.tsx b/quartz/util/defaultImage.tsx
index f633876ad..7cc8c00dc 100644
--- a/quartz/util/defaultImage.tsx
+++ b/quartz/util/defaultImage.tsx
@@ -2,6 +2,7 @@ import { SatoriOptions } from "satori/wasm"
 import { GlobalConfiguration } from "../cfg"
 import { SocialImageOptions } from "./imageHelper"
 
+// TODO: proper typing
 export const defaultImage = (
   cfg: GlobalConfiguration,
   title: string,