Update app.py

app.py

@@ -58,11 +58,14 @@ with st.container():
     with right_col:
         st.markdown(
             """
-        <div style='text-align: center; padding-top: 10px;'>
-            <h2>❤️ HeartBot AI</h2>
-        </div>
-        <br><br>
-        """,
+            <div style='text-align: center; padding-top: 10px;'>
+                <h2>❤️ HeartBot AI</h2>
+                <h4 style='color: #666; margin-top: 10px;'>
+                    RAG-based LLM Chatbot for Myocardial Infarction and Heart Failure Clinical Decision Support
+                </h4>
+            </div>
+            <br><br>
+            """,
             unsafe_allow_html=True,
         )