diff --git a/bskyogcard/src/routes/post.tsx b/bskyogcard/src/routes/post.tsx
index c0c2fe4223..ce488f4fd4 100644
--- a/bskyogcard/src/routes/post.tsx
+++ b/bskyogcard/src/routes/post.tsx
@@ -89,7 +89,10 @@ export default function (ctx: AppContext, app: Express) {
 
         return res.end(output.asPng())
       } catch (err) {
-        httpLogger.warn({err, uri: uri.toString()}, 'could not fetch post')
+        httpLogger.warn(
+          {err, uri: uri.toString()},
+          `Failed to render post ${uri}`,
+        )
         return res.status(404).end('not found')
       }
     }),
diff --git a/bskyogcard/src/util/postDisplayOptions.ts b/bskyogcard/src/util/postDisplayOptions.ts
index 6ae38007df..32d3698560 100644
--- a/bskyogcard/src/util/postDisplayOptions.ts
+++ b/bskyogcard/src/util/postDisplayOptions.ts
@@ -4,6 +4,9 @@ import {getWidthWithMat} from './frameMatting.js'
 
 export const DEFAULT_WIDTH = 360
 
+/**
+ * Options parsed from the query string, passed to the components themselves.
+ */
 export type DisplayOptions = {
   mat: boolean
 }
@@ -25,6 +28,10 @@ export function parseDisplayOptionsFromQuery(query: ParsedQs): DisplayOptions {
   return opts
 }
 
+/**
+ * Options computed from the parsed query options, passed to the render
+ * function.
+ */
 export function getRenderOptions(options: DisplayOptions) {
   return {
     // must match width + padding of Post.tsx