Apply suggestions from code review

Co-authored-by: Bénédikt Tran <[email protected]>

Author: Eclips4

Doc/library/sys.rst

@@ -1235,14 +1235,17 @@ always available.
 
    .. versionadded:: 3.13
 
+
 .. function:: _jit_enabled()
-   Return :const:`True` if :ref:`JIT compiler <whatsnew313-jit-compiler>` is active.
-   Return :const:`False` otherwise.
 
-   Available only in JIT builds, tier 2 interpreter doesn't count here.
+   Return :const:`True` if the :ref:`JIT compiler <whatsnew313-jit-compiler>` is active,
+   and :const:`False` otherwise.
+
+   Available only in JIT builds; tier 2 interpreter does not count here.
 
    .. versionadded:: next
 
+
 .. function:: is_finalizing()
 
    Return :const:`True` if the main Python interpreter is

Doc/whatsnew/3.14.rst

@@ -443,7 +443,7 @@ sys
   which only exists in specialized builds of Python, may now return objects
   from other interpreters than the one it's called in.
 
-* Add a :func:`sys._jit_enabled` which helps to determine in runtime if
+* Add :func:`sys._jit_enabled` to determine at runtime if the
   :ref:`JIT compiler <whatsnew313-jit-compiler>` is active.