update dates

Author: teresayao

articles/web-application-firewall/afds/waf-front-door-create-portal.md

@@ -5,7 +5,7 @@ author: vhorne
 ms.service: web-application-firewall
 services: web-application-firewall
 ms.topic: tutorial
-ms.date: 09/07/2019
+ms.date: 03/10/2020
 ms.author: victorh
 ---
 

articles/web-application-firewall/afds/waf-front-door-tutorial-geo-filtering.md

@@ -5,7 +5,7 @@ services: web-application-firewall
 author: vhorne
 ms.service: web-application-firewall
 ms.topic: conceptual
-ms.date: 10/30/2019
+ms.date: 03/10/2020
 ms.author: victorh
 ms.reviewer: tyao
 ---