inspect.doc: Soften the note about inspect.signature not supporting
all builtin functions.
diff --git a/Doc/library/inspect.rst b/Doc/library/inspect.rst
index 492762e..ccb2bd7 100644
--- a/Doc/library/inspect.rst
+++ b/Doc/library/inspect.rst
@@ -440,8 +440,8 @@
.. note::
Some callables may not be introspectable in certain implementations of
- Python. For example, in CPython, built-in functions defined in C provide
- no metadata about their arguments.
+ Python. For example, in CPython, some built-in functions defined in
+ C provide no metadata about their arguments.
.. class:: Signature(parameters=None, \*, return_annotation=Signature.empty)