Mention PYTHON_PRESITE needs a pydebug build

Author: ambv

Doc/c-api/init_config.rst

@@ -716,7 +716,7 @@ PyConfig
 
       Set to ``1`` by the :envvar:`PYTHONDUMPREFS` environment variable.
 
-      Need a special build of Python with the ``Py_TRACE_REFS`` macro defined:
+      Needs a special build of Python with the ``Py_TRACE_REFS`` macro defined:
       see the :option:`configure --with-trace-refs option <--with-trace-refs>`.
 
       Default: ``0``.
@@ -1048,7 +1048,7 @@ PyConfig
       Incremented by the :option:`-d` command line option. Set to the
       :envvar:`PYTHONDEBUG` environment variable value.
 
-      Need a :ref:`debug build of Python <debug-build>` (the ``Py_DEBUG`` macro
+      Needs a :ref:`debug build of Python <debug-build>` (the ``Py_DEBUG`` macro
       must be defined).
 
       Default: ``0``.
@@ -1153,7 +1153,7 @@ PyConfig
       option and the :envvar:`PYTHON_PRESITE` environment variable.
       The command-line option takes precedence.
 
-      Need a :ref:`debug build of Python <debug-build>` (the ``Py_DEBUG`` macro
+      Needs a :ref:`debug build of Python <debug-build>` (the ``Py_DEBUG`` macro
       must be defined).
 
       Default: ``NULL``.
@@ -1164,7 +1164,7 @@ PyConfig
 
       Set to ``1`` by :option:`-X showrefcount <-X>` command line option.
 
-      Need a :ref:`debug build of Python <debug-build>` (the ``Py_REF_DEBUG``
+      Needs a :ref:`debug build of Python <debug-build>` (the ``Py_REF_DEBUG``
       macro must be defined).
 
       Default: ``0``.

Doc/using/cmdline.rst

@@ -1098,15 +1098,15 @@ Debug-mode variables
    If set, Python will dump objects and reference counts still alive after
    shutting down the interpreter.
 
-   Need Python configured with the :option:`--with-trace-refs` build option.
+   Needs Python configured with the :option:`--with-trace-refs` build option.
 
 .. envvar:: PYTHONDUMPREFSFILE
 
    If set, Python will dump objects and reference counts still alive
    after shutting down the interpreter into a file under the path given
    as the value to this environment variable.
 
-   Need Python configured with the :option:`--with-trace-refs` build option.
+   Needs Python configured with the :option:`--with-trace-refs` build option.
 
    .. versionadded:: 3.11
 
@@ -1120,4 +1120,6 @@ Debug-mode variables
    See also the :option:`-X presite <-X>` command-line option,
    which takes precedence over this variable.
 
+   Needs Python configured with the :option:`--with-pydebug` build option.
+
    .. versionadded:: 3.13