prompt for visual

app.py

@@ -47,7 +47,7 @@ Please generate 3 different types of retrieval queries:
 
 1. A broad topical query: This should cover the main subject of the document.
 2. A specific detail query: This should focus on a particular fact, figure, or point made in the document.
-3. A visual element query: This should reference a chart, graph, image, or other visual component in the document, if present.
+3. A visual element query: This should reference a chart, graph, image, or other visual component in the document, if present. Don't just reference the name of the visual element but generate a query which this illustration may help answer or be related to.
 
 Important guidelines:
 - Ensure the queries are relevant for retrieval tasks, not just describing the page content.