diff --git a/Billing.md b/Billing.md
index 6c791a5..a962a7f 100644
--- a/Billing.md
+++ b/Billing.md
@@ -4,7 +4,7 @@
 On the first business day of each month, SmartVox / Bitnetix does billing.  This is mostly through automatic invoices in Quickbooks, but some customers require special (mostly SmartVox) treatment.
 Customer Invoices
 
-* Log in to https://portal.vitelity.net/login.php
+* Log in to (https://portal.vitelity.net/login.php){:target="_blank"}
    * Left hand nav: Billing | Invoice
       * Select email of vitelity@smartvox.com
       * Start date of first of previous month