diff --git a/README.md b/README.md
index 99cdca6..0d37446 100644
--- a/README.md
+++ b/README.md
@@ -56,6 +56,16 @@ Run the app in gunicorn:
 pipenv run gunicorn --bind 127.0.0.1:5000 app:app
 ```
 
+## how to view the logs on the deployed system
+
+application logs:
+
+`journalctl -u capsul-flask --since -1w`
+
+scheduled task logs:
+
+`tail -n100 /var/log/capsul-flask.log`
+
 -----
 
 ## cli 
diff --git a/capsulflask/payment.py b/capsulflask/payment.py
index 1ec147f..2f65015 100644
--- a/capsulflask/payment.py
+++ b/capsulflask/payment.py
@@ -232,7 +232,7 @@ def validate_stripe_checkout_session(stripe_checkout_session_id):
     checkout_session = event['data']['object']
 
     if checkout_session and 'id' in checkout_session and checkout_session['id'] == stripe_checkout_session_id:
-      cents = checkout_session['display_items'][0]['amount']
+      cents = checkout_session['amount_total']
       dollars = decimal.Decimal(cents)/100
 
       #consume_payment_session deletes the checkout session row and inserts a payment row
@@ -274,7 +274,7 @@ def success():
 #       secret=current_app.config['STRIPE_WEBHOOK_SECRET']
 #     )
 #     if event['type'] == 'checkout.session.completed':
-#       dollars = event['data']['object']['display_items'][0]['amount']
+#       dollars = event['data']['object']['amount_total']
 #       stripe_checkout_session_id = event['data']['object']['id']
 
 #       #consume_payment_session deletes the checkout session row and inserts a payment row