diff --git a/astro.config.mjs b/astro.config.mjs
index a50ea08..f330868 100644
--- a/astro.config.mjs
+++ b/astro.config.mjs
@@ -166,9 +166,5 @@ export default defineConfig({
 		}),
 		docsMarkdownIntegration(),
 	],
-	// Deploy Astro middleware as a Vercel Edge Function so it runs at
-	// request time for ALL pages, including pre-rendered static pages.
-	// Without this, middleware only runs at build time for static pages
-	// and content negotiation (Accept: text/markdown) doesn't work.
-	adapter: vercel({ middlewareMode: 'edge' }),
+	adapter: vercel(),
 });
diff --git a/vercel.json b/vercel.json
index 6d747ef..1d5ad06 100644
--- a/vercel.json
+++ b/vercel.json
@@ -70,6 +70,18 @@
       ]
     }
   ],
+  "rewrites": [
+    {
+      "source": "/",
+      "has": [{ "type": "header", "key": "accept", "value": ".*text/markdown.*" }],
+      "destination": "/index.md"
+    },
+    {
+      "source": "/:path+",
+      "has": [{ "type": "header", "key": "accept", "value": ".*text/markdown.*" }],
+      "destination": "/:path+.md"
+    }
+  ],
   "redirects": [
     {
       "source": "/advanced/command-line-flags",