update app

app.py

@@ -170,14 +170,14 @@ with gr.Blocks() as demo:
             )
             physics_subject = gr.Dropdown(physics_topics, value=[], multiselect=False, label="Physics category", visible=False, info="")
             subsubject = gr.Dropdown(
-                    [], value=[], multiselect=True, label="Subtopic", info="", visible=False)
+                    [], value=[], multiselect=True, label="Subtopic", info="Optional. Leaving it empty will use all subtopics.", visible=False)
             subject.change(fn=change_physics, inputs=[subject], outputs=physics_subject)
             subject.change(fn=change_subsubject, inputs=[subject, physics_subject], outputs=subsubject)
             physics_subject.change(fn=change_subsubject, inputs=[subject, physics_subject], outputs=subsubject)
 
             interest = gr.Textbox(label="A natural language description of what you are interested in. Press shift-enter or click the button below to update.", lines=7)
             sample_btn = gr.Button("Generate Digest")
-            sample_output = gr.Textbox(label="Results for your configuration. For runtime purposes, this is only done on a small subset of the papers in the topic you have selected.")
+            sample_output = gr.Textbox(label="Results for your configuration. For runtime purposes, this is only done on a small subset of today's papers in the topic you have selected.")
     test_btn.click(fn=test, inputs=[email, subject, physics_subject, subsubject, interest, sendgrid_token], outputs=output)
     token.change(fn=register_openai_token, inputs=[token])
     sample_btn.click(fn=sample, inputs=[email, subject, physics_subject, subsubject, interest], outputs=sample_output)