Update app.py

app.py

@@ -50,10 +50,9 @@ 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, your task is to succinctly examine the image provided. "
-            "Deliver a comprehensive yet concise explanation, capturing the essence of the image, its key elements, and their significance. "
-            "Your description should form a clear, well-structured, and factual paragraph without exceeding 150 words. "
-            "Avoid bullet points, focusing on creating a seamless narrative that serves as effective alternative text for accessibility purposes."
+            "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 a single, clear, and concise sentence for use as alt text."
+            "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."
         )
     
         if show_details and additional_details:
@@ -88,7 +87,7 @@ if uploaded_file is not None and analyze_button:
             message_placeholder = st.empty()
             for completion in openai.chat.completions.create(
                 model="gpt-4-vision-preview", messages=messages, 
-                max_tokens=150, stream=True
+                max_tokens=250, stream=True
             ):
             #     # Check if there is content to display
             #     if completion.choices[0].delta.content is not None: