Update app.ts

app.ts

@@ -274,7 +274,7 @@ async function handleDemoRequest(req: Request) {
         const downloadLink = document.createElement('a');
         downloadLink.href = audioUrl;
         downloadLink.download = 'synthesized_voice.mp3';
-        downloadLink.textContent = 'Скачать аудио';
+        downloadLink.textContent = 'скачать аудио';
         downloadLink.style.display = 'block';
         downloadLink.style.marginTop = '10px';