Called by the :func:`format` built-in function,
and by extension, evaluation of :ref:`formatted string literals
<f-strings>` and the :meth:`str.format` method, to produce a "formatted"
- string representation of an object. The ``format_spec`` argument is
+ string representation of an object. The *format_spec* argument is
a string that contains a description of the formatting options desired.
- The interpretation of the ``format_spec`` argument is up to the type
+ The interpretation of the *format_spec* argument is up to the type
implementing :meth:`__format__`, however most classes will either
delegate formatting to one of the built-in types, or use a similar
formatting option syntax.