Update app.py

app.py

@@ -364,8 +364,8 @@ def logo(db_update_date, db_size_bio, db_size_med):
             <h3 style='color: black;'>LLM-based search and summary tool for bioRxiv & medRxiv</h3>
         </div>
         <p>How to use:
-        <br><strong>1</strong>: Enter your search query (Optional modification "Number of results to show") 
-        <br><strong>2</strong>: Press Enter in the query box to search.
+        <br><strong>1</strong>: Enter your search query (Optional modification "Top k of results to show") 
+        <br><strong>2</strong>: Press Enter in the query box or click the search button to search.
         <br><strong>3</strong>: Enter summary prompt in the below input box.
         <br><strong>4</strong>: Click "AI summary" to summarize the search results above.
         </p>