Update docs/product/tracing/index.mdx

Author: lizokm

docs/product/tracing/index.mdx

@@ -6,7 +6,7 @@ description: "Learn how instrumenting tracing for both your frontend and backend
 
 ## Tracing
 
-Tracing is the process of capturing the timing and flow of requests and operations as they happen throughout your application. It can be a powerful debugging tool, helping you identify which link in a sequence of events is causing a problem.
+Tracing is the process of capturing the timing and flow of requests and operations as they happen in your application. It's a powerful debugging tool, helping you identify which link in a sequence of events may be causing a problem, such as slow performance.
 
 ![An image of a trace with spans.](./img/The-anatomy-of-a-trace.png)