doc comments

Author: jreback

doc/source/whatsnew/v0.24.0.txt

@@ -126,7 +126,7 @@ ExtensionType Changes
 
 - ``ExtensionArray`` has gained the abstract methods ``.dropna()`` and ``.append()`` (:issue:`21185`)
 - ``ExtensionDtype`` has gained the ability to instantiate from string dtypes, e.g. ``decimal`` would instantiate a registered ``DecimalDtype``; furthermore
-  the dtype has gained the ``construct_array_type`` (:issue:`21185`)
+  the ``ExtensionDtype`` has gained the method ``construct_array_type`` (:issue:`21185`)
 - The ``ExtensionArray`` constructor, ``_from_sequence`` now take the keyword arg ``copy=False`` (:issue:`21185`)
 - :meth:`Series.combine()` works correctly with :class:`~pandas.api.extensions.ExtensionArray` inside of :class:`Series` (:issue:`20825`)
 - :meth:`Series.combine()` with scalar argument now works for any function type (:issue:`21248`)
@@ -164,7 +164,7 @@ Current Behavior:
     OverflowError: Trying to coerce negative values to unsigned integers
 
 - :class:`DatetimeIndex` now accepts :class:`Int64Index` arguments as epoch timestamps (:issue:`20997`)
-- Invalid consruction of ``IntervalDtype`` will now always raise a ``TypeError`` rather than a ``ValueError`` if the subdtype is invalid (:issue:`21185`)
+- Invalid construction of ``IntervalDtype`` will now always raise a ``TypeError`` rather than a ``ValueError`` if the subdtype is invalid (:issue:`21185`)
 -
 -