addressed non-blocking issue

Author: KumudD

articles/frontdoor/waf-front-door-create-portal.md

@@ -11,7 +11,7 @@ ms.devlang: na
 ms.topic: article
 ms.tgt_pltfrm: na
 ms.workload: infrastructure-services
-ms.date: 05/29/2019
+ms.date: 05/31/2019
 ms.author: kumud;tyao
 ---
 
@@ -60,7 +60,7 @@ To see WAF in action, you can change the mode settings from **Detection** to **P
 
 ### Custom rules
 
-When you create a custom rule, select **Add custom rule** under **CUSTOM RULES** section  brings up custom rule configuration. Below is an example of configuring a custom rule to block a request if QueryString contains "blockme".
+You can create a custom rule by selecting **Add custom rule** under the **Custom rules** section. This launches the custom rule configuration page. Below is an example of configuring a custom rule to block a request if the query string contains **blockme**.
 
 ![Change WAF policy mode](./media/waf-front-door-create-portal/customquerystring.png)