Clarify description of application security groups

Reworded the explanation of application security groups for clarity.

Author: staleycyn

learn-pr/wwl-azure/configure-network-security-groups/includes/6-implement-asgs.md

@@ -4,7 +4,7 @@ You can implement [application security groups (ASGs)](/azure/virtual-network/ap
 
 ### Things to know about using application security groups
 
-Application security groups work in the same way as network security groups, but they provide an application-centric way of looking at your infrastructure. You join your virtual machines to an application security group. Then you use the application security group as a source or destination in the network security group rules.
+Application security groups provide an application-centric way of looking at your infrastructure. You join your virtual machines to an application security group. Then you use the application security group as a source or destination in the network security group rules.
 
 Let's examine how to implement application security groups by creating a configuration for an online retailer. In our example scenario, we need to control network traffic to virtual machines in application security groups.