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Co-authored-by: Stan Ulbrych <[email protected]>

Author: serhiy-storchaka

Doc/c-api/arg.rst

@@ -235,9 +235,9 @@ also use the corresponding special methods :meth:`~object.__index__`,
 :meth:`~object.__float__` or :meth:`~object.__complex__` to convert
 the Python object to the required type.
 
-For signed integer format, :exc:`OverflowError` is raised if the value
+For signed integer formats, :exc:`OverflowError` is raised if the value
 is out of range for the C type.
-For unsigned integer format, no proper range checking is done --- the
+For unsigned integer formats, no proper range checking is done --- the
 most significant bits are silently truncated when the receiving field is too
 small to receive the value.