pythongh-141218: Fix inaccurate object comparison documentation (pythonGH-141221)

(cherry picked from commit b372bd7)

Co-authored-by: Mohsin Mehmood <55545648+mohsinm-dev@users.noreply.github.com>
Co-authored-by: Bénédikt Tran <10796600+picnixz@users.noreply.github.com>

Author: 2 people

Doc/library/stdtypes.rst

@@ -164,7 +164,7 @@ This table summarizes the comparison operations:
    pair: object; numeric
    pair: objects; comparing
 
-Objects of different types, except different numeric types, never compare equal.
+Unless stated otherwise, objects of different types never compare equal.
 The ``==`` operator is always defined but for some object types (for example,
 class objects) is equivalent to :keyword:`is`. The ``<``, ``<=``, ``>`` and ``>=``
 operators are only defined where they make sense; for example, they raise a