Update app.py

app.py

@@ -388,7 +388,7 @@ st.sidebar.markdown('### Food Classification')
 uploaded_image = st.sidebar.file_uploader("Choose an image:", type="jpg")
 
 st.sidebar.markdown('### RAG Recipe')
-query = st.sidebar.text_area("Enter your query:", height=100)
+query = st.sidebar.text_area("Enter your query (optional):", height=100)
 recipe_submit = st.sidebar.button(label='Chain Recipe', icon=':material/link:', use_container_width=True)
 
 # gap