Update observability-overview.mdx (#3921)

Testing build pipeline

docs/en/serverless/observability-overview.mdx

@@ -11,7 +11,7 @@ tags: [ 'serverless', 'observability', 'overview' ]
 <div id="observability-introduction"></div>
 
 ((observability)) provides granular insights and context into the behavior of applications running in your environments.
-It's an important part of any system that you build and want to monitor.
+It's an important part of any system that you build and want to monitor. 
 Being able to detect and fix root cause events quickly within an observable system is a minimum requirement for any analyst.
 
 Elastic ((observability)) provides a single stack to unify your logs, metrics, and application traces.