Update docs/concepts/key-terms/tracing/index.mdx

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

Author: codyde

docs/concepts/key-terms/tracing/index.mdx

@@ -58,7 +58,7 @@ Depending on the size and volume of your app, you may have a lot of traces to so
 
 ## How Tracing Can Help You Debug
 
-Sentry’s tracing lets you follow each request across various services, databases, and functions. This makes it easier to find exactly where an error occured or a performance bottleneck started. Below, you'll find some real-world scenarios where tracing saved the day.
+Sentry’s tracing lets you follow each request across various services, databases, and functions. This makes it easier to find exactly when and where an error occurred or a performance bottleneck started. Below, you'll find some real-world scenarios where tracing saved the day.
 
 ### Debug Slowdowns Across Your Integrations