DOC Improve ColumnTransformer docstrings
@@ -38,8 +38,8 @@ class ColumnTransformer(_BaseComposition, TransformerMixin):
deprecation.
This estimator allows different columns or column subsets of the input
- to be transformed separately and the results combined into a single
- feature space.
+ to be transformed separately and the features generated by each transformer
+ will be concatenated to form a single feature space.
This is useful for heterogeneous or columnar data, to combine several
feature extraction mechanisms or transformations into a single transformer.
