Update docs/platforms/javascript/common/tracing/span-metrics/examples.mdx

Co-authored-by: Alex Krawiec <[email protected]>

Author: codyde

docs/platforms/javascript/common/tracing/span-metrics/examples.mdx

@@ -21,7 +21,7 @@ This guide provides practical examples of using span attributes and metrics to s
 
 Example Repository: [Crash Commerce](https://github.com/getsentry/crash-commerce-tracing-sample)
 
-**Challenge:** Capture end-to-end checkout flow, understand average cart size and value, diagnose performance of payment providers across frontend, and server API.
+**The Challenge:** Capture end-to-end checkout flow, understand average cart size and value, diagnose performance of payment providers across the frontend and the server API.
 
 **Solution:** Start a client span on the checkout action for the application, and relevant spans on the backend for each step in the checkout flow. Attach attributes that represent critical metrics for the application, such as cart size and value, and payment provider used in the transaction.