Update app.py

Uodate comments

app.py

@@ -77,7 +77,8 @@ def generate_response(question: str) -> list[str, str, str]:
 with gr.Blocks() as demo:
     gr.Markdown("""
         # Retrieval (ColBERT) + Generation (DSPy & Mistral)
-        Note: building the retrieval model might take a few minutes.
+        - Note: building the retrieval model might take a few minutes.
+        - Usage: upload a few PDF files to index. Build the model. Ask questions.
     """)
 
     # Input files and build status
@@ -93,7 +94,7 @@ with gr.Blocks() as demo:
     
     # Question to answer
     question = gr.Textbox(
-        label="Question to answer",
+        label="Question about the content of the documents uploaded",
         placeholder="How do tax administrations address aggressive tax planning by HNWIs?"
     )
     response = gr.Textbox(
@@ -133,8 +134,8 @@ with gr.Blocks() as demo:
                 - Generation framework: DSPy and Mistral.
             - How
                 - Upload PDF files to index.
-                - Build the retrieval augmented model (might take a few minutes)
-                - Ask a question to generate a response.
+                - Build the retrieval generation model (might take a few minutes)
+                - Ask a question about the content of those uploaded documents.
         """)
 
     # Click actions