Fix copy/paste typo

Author: hugovk

Doc/whatsnew/3.15.rst

@@ -68,7 +68,7 @@ Summary -- Release highlights
 * :pep:`799`: :ref:`A dedicated profiling package for organizing Python
   profiling tools <whatsnew315-profiling-package>`
 * :pep:`799`: :ref:`Tachyon: High frequency statistical sampling profiler
-  profiling tools <whatsnew315-sampling-profiler>`
+  <whatsnew315-sampling-profiler>`
 * :pep:`798`: :ref:`Unpacking in Comprehensions
   <whatsnew315-unpacking-in-comprehensions>`
 * :pep:`686`: :ref:`Python now uses UTF-8 as the default encoding