update alert text

Author: vbro

docs/pricing/index.mdx

@@ -88,10 +88,9 @@ Tracing is enabled by and will be billed for in spans.
 
 Profile Hours are determined by the length of the profile in milliseconds and are billed in hours. Partial hours are prorated and rounded down to the nearest cent.
 <Alert>
-  [Transaction-Based profiling](/product/explore/profiling/transaction-vs-continuous-profiling/) is billed based on the size of the profile payload, by comparing with the duration of a continuous profile of a similar size.
-  Profile Hours can only be purchased with your PAYG budget.
+  All profiles are billed under Profile Hours regardless of whether they are [Transaction-Based, Continuous or UI&nbsp;Profiling](/product/explore/profiling/transaction-vs-continuous-profiling/).
+  Transaction-Based profiling duration is extracted from the samples that make up the profile.
 </Alert>
-
 **Continuous Profile Hours**
 
 | Team PAYG    | Business PAYG |