Update docs/platforms/python/tracing/span-lifecycle/index.mdx

Co-authored-by: Cody De Arkland <[email protected]>

Author: sfanahata

docs/platforms/python/tracing/span-lifecycle/index.mdx

@@ -10,7 +10,7 @@ To capture transactions and spans customized to your organization's needs, you m
 
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-To add custom performance data to your application, you need to add custom instrumentation in the form of [spans](/concepts/key-terms/tracing/distributed-tracing/#traces-transactions-and-spans). Spans are a way to measure the time it takes for a specific action to occur. For example, you can create a span to measure the time it takes for a function to execute.
+To add custom attributes or performance data to your applications traces, you need to attach these attributes to the trace's [spans](/concepts/key-terms/tracing/distributed-tracing/#traces-transactions-and-spans). Spans represent the individual actions that occur within an overall application interaction. This might include items loading, database calls, API returns, or more.  
 
 <PlatformContent includePath="enriching-events/import" />