diff --git a/src/lib/aiClient.ts b/src/lib/aiClient.ts
index 7271966..7b58f8f 100644
--- a/src/lib/aiClient.ts
+++ b/src/lib/aiClient.ts
@@ -184,7 +184,7 @@ export async function callOllamaVisionOcr(
           messages: [
             {
               role: 'user',
-              content: opts.prompt || '<image>\nFree OCR.',
+              content: opts.prompt || '<image>\nConvert the document to markdown.',
               images: [imageBase64],
             },
           ],