Update docs/product/tracing/index.mdx

Author: lizokm

docs/product/tracing/index.mdx

@@ -1,7 +1,7 @@
 ---
 title: Tracing
 sidebar_order: 20
-description: "Learn about using tracing and distributed tracing for observing and debugging application performance issues."
+description: "Learn about tracing and distributed tracing and how it can be used to not just observe, but also debug application performance issues."
 ---
 
 ## What's Tracing?