Update app.py

app.py

@@ -147,7 +147,8 @@ retriever = EmbeddingRetriever(
 
 with st.sidebar:
     # Dropdown selectbox
-    country = st.sidebar.selectbox('Select a country:', country_options) 
+    country = st.sidebar.selectbox('Select a country:', country_options)
+    st.markdown("For a comparative analysis of multiple countries, select *'All Countries'* and then be sure to mention the names of both countries in your query")
     # choice = st.sidebar.radio(label = 'Select the Document',
     #                         help = 'You can upload the document \
     #                         or else you can try a example document',