Update content/en/user-guide/chaos-engineering/_index.md

Co-authored-by: Waldemar Hummer <[email protected]>

content/en/user-guide/chaos-engineering/_index.md

@@ -10,7 +10,7 @@ cascade:
 
 ## Introduction
 
-Chaos engineering via LocalStack is a method to enhance system resilience by deliberately introducing controlled disruptions. This technique takes different forms depending on the team: 
+Chaos engineering via LocalStack is a method to enhance system resilience by deliberately introducing controlled disruptions, and testing how user applications are reacting to those disruptions. This technique takes different forms depending on the team: 
 
 - Software developers focus on application behavior and error response
 - Architects concentrate on the strength of system design