Change placeholder

app.py

@@ -21,7 +21,7 @@ for message in st.session_state.messages:
     with st.chat_message(message["role"]):
         st.markdown(message["content"])
 
-if prompt := st.chat_input("What is up?"):
+if prompt := st.chat_input("How was your day?"):
     st.session_state.messages.append({"role": "user", "content": prompt})
     with st.chat_message("user"):
         st.markdown(prompt)