Update app.py

app.py

@@ -122,8 +122,8 @@ def generate_image_prompt(slide_content):
     prompt = f"""
     Based on the following slide content, create a detailed prompt for generating 
     an image that represents the main idea of the slide. The image should be 
-    suitable for a professional presentation and limit text if needed to a word or two.
-    Slide content:
+    suitable for a professional presentation and do not use any words or text in the image.
+    
     {slide_content}
     Image prompt:
     """