diff --git a/og-image/api/_lib/parser.ts b/og-image/api/_lib/parser.ts
index b8163719..dab8591d 100644
--- a/og-image/api/_lib/parser.ts
+++ b/og-image/api/_lib/parser.ts
@@ -20,6 +20,10 @@ export function parseRequest(req: IncomingMessage) {
     creatorName,
     creatorUsername,
     creatorAvatarUrl,
+
+    // Challenge attributes:
+    challengeAmount,
+    challengeOutcome,
   } = query || {}
 
   if (Array.isArray(fontSize)) {
@@ -67,6 +71,8 @@ export function parseRequest(req: IncomingMessage) {
     creatorName: getString(creatorName) || 'Manifold Markets',
     creatorUsername: getString(creatorUsername) || 'ManifoldMarkets',
     creatorAvatarUrl: getString(creatorAvatarUrl) || '',
+    challengeAmount: getString(challengeAmount),
+    challengeOutcome: getString(challengeOutcome),
   }
   parsedRequest.images = getDefaultImages(parsedRequest.images)
   return parsedRequest
diff --git a/og-image/api/_lib/template.ts b/og-image/api/_lib/template.ts
index 0be8b70c..7285bc15 100644
--- a/og-image/api/_lib/template.ts
+++ b/og-image/api/_lib/template.ts
@@ -128,7 +128,7 @@ export function getHtml(parsedReq: ParsedRequest) {
         </div>
       </div>
 
-      <!-- Mantic logo -->
+      <!-- Manifold logo -->
       <div class="absolute right-24 top-8">
         <a class="flex flex-row gap-3" href="/"
           ><img
@@ -151,7 +151,7 @@ export function getHtml(parsedReq: ParsedRequest) {
         </div>
         <div class="flex flex-col text-primary">
           <div class="text-8xl">${
-            challengeAmount ? challengeAmount : probability
+            challengeAmount ? 'M$' + challengeAmount : probability
           }</div>
            <div class="text-5xl">${
              challengeOutcome ? 'on' + challengeOutcome : ''
diff --git a/og-image/api/_lib/types.ts b/og-image/api/_lib/types.ts
index 0aa0d30b..3b7f9a2d 100644
--- a/og-image/api/_lib/types.ts
+++ b/og-image/api/_lib/types.ts
@@ -18,6 +18,6 @@ export interface ParsedRequest {
   creatorName: string
   creatorUsername: string
   creatorAvatarUrl: string
-  challengeAmount?: string
-  challengeOutcome?: string
+  challengeAmount: string | undefined
+  challengeOutcome: string | undefined
 }