Update app.py

app.py

@@ -1402,7 +1402,7 @@ def main():
         col1, col2 = st.columns(2)
         st.dataframe(parsed2)
         with col1:
-            col_parsed2 = st.selectbox("Which column do you want to query?", parsed2.columns)
+            col_parsed2 = st.selectbox("Which columns do you want to query?", parsed2.columns)
         with col2:
             GEMINI_KEY = st.text_input('Gemini API Key', GEMINI_KEY, type='password', help="Enter Gemini API key")
         if col_parsed and GEMINI_KEY: