gh-136793: Update the sampling rate in the documentation (#136829)

diff --git a/Doc/whatsnew/3.15.rst b/Doc/whatsnew/3.15.rst
index fe3d45b83a512eff403eb75ac65109d5917cf428..ea369a3698349730f8fbc88545d1ec1552dc389b 100644 (file)
--- a/Doc/whatsnew/3.15.rst
+++ b/Doc/whatsnew/3.15.rst
@@ -82,7 +82,7 @@ running Python processes without requiring code modification or process restart.
 Unlike deterministic profilers (:mod:`cProfile` and :mod:`profile`) that instrument
 every function call, the sampling profiler periodically captures stack traces from
 running processes.  This approach provides virtually zero overhead while achieving
-sampling rates of **up to 200,000 Hz**, making it the fastest sampling profiler
+sampling rates of **up to 1,000,000 Hz**, making it the fastest sampling profiler
 available for Python (at the time of its contribution) and ideal for debugging
 performance issues in production environments.