Update app.py

app.py

@@ -110,7 +110,7 @@ st.title("Medical chatbot 🤖")
 
 st.write("Welcome to the medical chatbot. Please enter your symptoms below and I will try to help you.")
 st.write("It works, Just for a while, Because of free tier specifications It is slow.")
-st.write("Thanks for your time ♥")
+st.write("Thanks for your time :sparkling_heart:")
 
 if "messages" not in st.session_state.keys():
     st.session_state.chat_history.append({"bot": "How may I help you?"})