Improve wording by Shantanu

Author: Fidget-Spinner

Doc/whatsnew/3.14.rst

@@ -224,9 +224,10 @@ This interpreter currently only works with Clang 19 and newer
 on x86-64 and AArch64 architectures. However, we expect
 that a future release of GCC will support this as well.
 
-This feature is opt-in for now. Based on our own testing,
-this new interpreter only works well when profile-guided optimization is
-enabled. For further information on how to build Python, please see
+This feature is opt-in for now. We highly recommend enabling profile-guided
+optimization with the new interpreter as it is the only configuration we have
+fully tested and can validate its improved performance.
+For further information on how to build Python, please see
 :option:`--with-tail-calling-interp`.
 
 (Contributed by Ken Jin in :gh:`128718`, with ideas on how to implement this