Address more feedback

Author: lysnikolaou

Doc/c-api/memory.rst

@@ -204,8 +204,9 @@ The following function sets, modeled after the ANSI C standard, but specifying
 behavior when requesting zero bytes, are available for allocating and releasing
 memory from the Python heap.
 
-The :ref:`default memory allocator <default-memory-allocators>` uses the
-:ref:`pymalloc memory allocator <pymalloc>`.  In the
+In the GIL-enabled build (default build) the
+:ref:`default memory allocator <default-memory-allocators>` uses the
+:ref:`pymalloc memory allocator <pymalloc>`, whereas in the
 :term:`free-threaded build`, the default is the
 :ref:`mimalloc memory allocator <mimalloc>` instead.
 

Doc/using/cmdline.rst

@@ -1086,12 +1086,6 @@ conflict.
    .. versionchanged:: 3.7
       Added the ``"default"`` allocator.
 
-   .. versionchanged:: 3.13
-      Added the ``"mimalloc"`` and ``"mimalloc_debug"`` allocators.
-      In the :term:`free-threaded <free threading>` build, the ``"malloc"``,
-      ``"malloc_debug"``, ``"pymalloc"``, and ``"pymalloc_debug"`` values are
-      not accepted.
-
 
 .. envvar:: PYTHONMALLOCSTATS