Update docs/concepts/key-terms/sample-rates.mdx

Co-authored-by: Liza Mock <[email protected]>

Author: coolguyzone

docs/concepts/key-terms/sample-rates.mdx

@@ -37,6 +37,7 @@ Some of the options below aren't available in every SDK; check out our platform-
 
 - **tracesSampler** - A function responsible for determining the percentage chance a given transaction will be sent to Sentry. It will automatically be passed information about the transaction and the context in which it's being created, and must return a number between 0 (0% chance of being sent) and 1 (100% chance of being sent). Can also be used for filtering transactions, by returning 0 for those that are unwanted. Either this or `tracesSampleRate` must be defined to enable tracing.
 
+Learn more about [tracing](/product/tracing/) in Sentry.
 ### Session Replay
 
 - **replaysSessionSampleRate** - The sample rate for replays that begin recording immediately and last the entirety of the user's session. 1.0 collects all replays, and 0 collects none.