Removed extra period

Author: atookey

articles/billing/billing-getting-started.md

@@ -200,7 +200,7 @@ For some services, there are prerequisites for the SLA to apply. For example, Vi
 
 For more information, see the [Service Level Agreements](https://azure.microsoft.com/support/legal/sla/) documentation and the [SLA summary for Azure services](https://azure.microsoft.com/support/legal/sla/summary/) documentation.
 
-## Need help? Contact us.
+## Need help? Contact us
 
 If you have questions or need help,  [create a support request](https://go.microsoft.com/fwlink/?linkid=2083458).