Update app.py

app.py

@@ -106,7 +106,7 @@ with streamlit_analytics.track():
     st.session_state['url'] = st.text_input("Enter URL to crawl and ingest documents (optional):", value=st.session_state['url'])
     
     # Collection name input
-    st.session_state['collection_name'] = st.text_input("Enter collection name for vector store:", value=st.session_state['collection_name'])
+    st.session_state['collection_name'] = st.text_input("Enter collection name for vector store (compulsory):", value=st.session_state['collection_name'])
     
     # Combined Ingest and Setup button
     if st.button("Ingest and Setup"):