pr review

Author: vhorne

articles/application-gateway/scripts/waf-customrules-powershell.md renamed to articles/application-gateway/scripts/waf-custom-rules-powershell.md

@@ -1,10 +1,10 @@
 ---
 title: Azure PowerShell Script Sample - Create WAF custom  rules
-description: Azure PowerShell Script Sample - Create WAF custom  rules
+description: Azure PowerShell Script Sample - Create Web Application Firewall custom  rules
 author: vhorne
 ms.service: application-gateway
 ms.topic: sample
-ms.date: 6/6/2019
+ms.date: 6/7/2019
 ms.author: victorh
 ---