Update app.py

app.py

@@ -29,7 +29,9 @@ if uploaded_file:
         st.image(uploaded_file, caption=uploaded_file.name, width=image_width, use_column_width=False)
 
 # Toggle for showing additional details input
-show_details = st.toggle("Add details about the image", value=False)
+show_details = st.toggle("Optional: Add details about the image." 
+                         "The details should reflect why the image is being used." 
+                         "Consider what information the image contributes to the content and convey in the details.", value=False)
 
 if show_details:
     # Text input for additional details about the image, shown only if toggle is True
@@ -51,7 +53,8 @@ if uploaded_file is not None and analyze_button:
         # Optimized prompt for additional clarity and detail
         prompt_text = (
             "As an expert in image accessibility and alternative text, succinctly describe the image provided in less than 150 characters. "
-            "Focus on capturing the essence and key elements of the image in three or fewer clear and concise sentences for use as alt text."
+            "Provide a brief description that conveys the essential information conveyed by the image in three or fewer clear and concise sentences for use as alt text."
+            "Skip phrases like 'image of' or 'picture of.'"
             "Your description should form a clear, well-structured, and factual paragraph that avoids bullet points, focusing on creating a seamless narrative that serves as effective alternative text for accessibility purposes."
         )