diff --git a/ucloud-pay.py b/ucloud-pay.py
index cf7011d..a1badb0 100644
--- a/ucloud-pay.py
+++ b/ucloud-pay.py
@@ -197,8 +197,8 @@ class UserRegisterPayment(Resource):
                         stripe_customer = stripe_customer_resp[
                             "response_object"]
                         return {"message":
-                                    "Card ending in {} registered as your payment "
-                                    "source".format(last4)
+                                    "Card ending in {} registered as your "
+                                    "payment source".format(last4)
                                 }, 200
                     else:
                         logging.error("Could not get/create stripe_customer "