chore: minor updates from review

Signed-off-by: Henry Schreiner <henryfs@princeton.edu>

Author: henryiii

docs/configuration/index.md

@@ -374,8 +374,8 @@ Scikit-build-core will only target ABI3 if the version of Python is equal to or
 newer than the one you set. `${SKBUILD_SABI_COMPONENT}` is set to
 `Development.SABIModule` when targeting ABI3 or ABI3T, and is an empty string
 otherwise. For free-threaded Python (PEP 703), you can use `cp315t` to target
-the free-threaded stable ABI, which sets `Py_TARGET_ABI3T` instead of
-`Py_LIMITED_API`.
+the free-threaded stable ABI, which sets `Py_TARGET_ABI3T` (if using CMake
+4.4+).
 
 If you are not using CPython at all, you can specify any version of Python is
 fine:

src/scikit_build_core/builder/builder.py

@@ -226,7 +226,7 @@ def configure(
             else:
                 limited_api = False
 
-        if limited_api and sys.implementation.name != "cpython":
+        if (limited_api or ft_abi) and sys.implementation.name != "cpython":
             limited_api = False
             ft_abi = False
             logger.info("PyPy doesn't support the Limited API, ignoring")