diff --git a/doc/source/whatsnew/v2.0.0.rst b/doc/source/whatsnew/v2.0.0.rst index 23b05634acf1b..b912fd5ee9d2d 100644 --- a/doc/source/whatsnew/v2.0.0.rst +++ b/doc/source/whatsnew/v2.0.0.rst @@ -207,7 +207,7 @@ Copy-on-Write improvements with a :class:`DataFrame`. - Trying to set values using chained assignment (for example, ``df["a"][1:3] = 0``) - will now always raise an warning when Copy-on-Write is enabled. In this mode, + will now always raise a warning when Copy-on-Write is enabled. In this mode, chained assignment can never work because we are always setting into a temporary object that is the result of an indexing operation (getitem), which under Copy-on-Write always behaves as a copy. Thus, assigning through a chain