more precise whatsnew entry

topper-123 · topper-123 · commit 9d6bae5eab7a · 2023-04-05T11:05:00.000+01:00
diff --git a/doc/source/whatsnew/v2.1.0.rst b/doc/source/whatsnew/v2.1.0.rst
@@ -195,7 +195,7 @@ Performance improvements
 - Performance improvement in :meth:`MultiIndex.set_levels` and :meth:`MultiIndex.set_codes` when ``verify_integrity=True`` (:issue:`51873`)
 - Performance improvement in :func:`factorize` for object columns not containing strings (:issue:`51921`)
 - Performance improvement in :class:`Series` reductions (:issue:`52341`)
-- Constructing :class:`DataFrame` instances from a 2d ``ndarray`` using ``copy=True`` now ensures the copied array is contiguous, giving performance improvements for many operations (:issue:`52438`)
+- Constructing :class:`DataFrame` instances from a ``ndarray`` using ``copy=True`` now ensures the copied array is contiguous, giving performance improvements for many operations (:issue:`52438`)
 -
 
 .. ---------------------------------------------------------------------------

Original file line number	Diff line number	Diff line change
`@@ -195,7 +195,7 @@ Performance improvements`
`195`	`195`	- Performance improvement in :meth:`MultiIndex.set_levels` and :meth:`MultiIndex.set_codes` when ``verify_integrity=True`` (:issue:`51873`)
`196`	`196`	- Performance improvement in :func:`factorize` for object columns not containing strings (:issue:`51921`)
`197`	`197`	- Performance improvement in :class:`Series` reductions (:issue:`52341`)
`198`		-- Constructing :class:`DataFrame` instances from a 2d ``ndarray`` using ``copy=True`` now ensures the copied array is contiguous, giving performance improvements for many operations (:issue:`52438`)
	`198`	+- Constructing :class:`DataFrame` instances from a ``ndarray`` using ``copy=True`` now ensures the copied array is contiguous, giving performance improvements for many operations (:issue:`52438`)
`199`	`199`	`-`
`200`	`200`
`201`	`201`	`.. ---------------------------------------------------------------------------`