diff --git a/videotron1.py b/videotron1.py
index 7d26f1a..fc35b6d 100644
--- a/videotron1.py
+++ b/videotron1.py
@@ -1,3 +1,6 @@
+""" python script to read videotron invoice and sum the data usage per user.
+ """
+
 import pandas as pd
 import PySimpleGUI as sg