Update app.py

app.py

@@ -29,9 +29,7 @@ expander.write('''
     To change the app's background color to white or black, click the three-dot menu on the right-hand side of your app, go to Settings and then Choose app theme, colors and fonts.
     
     **File Handling and Errors:**
-    The app may provide an inaccurate answer, if the information is missing from the relevant cell.
-    
-    The app may display an error message if your file has errors, date values or float numbers (0.5, 1.2, 4.5 etc.)
+    (a) The app may provide an inaccurate answer, if the information is missing from the relevant cell. (b) The app may display an error message if your file has errors, date values or float numbers (0.5, 1.2, 4.5 etc.)
     
     For any errors or inquiries, please contact us at [email protected]
     
@@ -71,7 +69,8 @@ if upload_file is not None:
             st.session_state.df_original = df_original  
 
             all_columns = df_original.columns.tolist()
-            st.subheader("Select columns from your data to visualize it in a tree map", divider="blue")
+            st.divider()
+            st.write("Select columns from your data to visualize it in a Tree map")
             parent_column = st.selectbox("Select the parent column:", all_columns)
             value_column = st.selectbox("Select the value column:", all_columns)