diff --git a/backend/address2UPRN/script.py b/backend/address2UPRN/script.py
index 59855dbc..090ac5ae 100644
--- a/backend/address2UPRN/script.py
+++ b/backend/address2UPRN/script.py
@@ -1,3 +1,5 @@
+# one time script for a customer forhousing
+
 import pandas as pd
 from tqdm import tqdm
 from backend.address2UPRN.main import get_uprn