diff --git a/Dataupload/extract.py b/Dataupload/extract.py
index 0c93d956..e10ce25d 100644
--- a/Dataupload/extract.py
+++ b/Dataupload/extract.py
@@ -1,3 +1,4 @@
+''' Python script that related to extraction of data from sql dump'''
 import os
 import re
 import csv