fix: og image generation

app/about/page.tsx

@@ -1,5 +1,7 @@
+import type { Metadata } from "next";
 import Link from "next/link";
 import { PageHeader } from "@/components/page-header";
+import { buildOgMeta } from "@/lib/og";
 import {
   BookOpen,
   BrainCircuit,
@@ -45,6 +47,14 @@ const PHASES = [
   },
 ];
 
+export function generateMetadata(): Metadata {
+  return buildOgMeta({
+    title: "About — Prabhupāda Says",
+    quote:
+      "Built by a small team of Prabhupādānugas — preserving and presenting the teachings of Śrīla Prabhupāda exactly as he gave them, without alteration.",
+  });
+}
+
 export default function AboutPage() {
   return (
     <div className="min-h-screen bg-background">