Tweak wording about Fraction and Decimal (GH-10904)
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index c699553c..d23e7e9 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -220,8 +220,8 @@
in :data:`sys.float_info`. Complex numbers have a real and imaginary
part, which are each a floating point number. To extract these parts
from a complex number *z*, use ``z.real`` and ``z.imag``. (The standard
-library includes additional numeric types, :mod:`fractions` that hold
-rationals, and :mod:`decimal` that hold floating-point numbers with
+library includes the additional numeric types :mod:`fractions.Fraction`, for
+rationals, and :mod:`decimal.Decimal`, for floating-point numbers with
user-definable precision.)
.. index::