DOC: fix class ref
A trivial fix to a class reference
@@ -8,7 +8,7 @@ used with a variety of estimators to do round-robin regression, treating every
variable as an output in turn.
In this example we compare some estimators for the purpose of missing feature
-imputation with :class:`sklearn.imputeIterativeImputer`:
+imputation with :class:`sklearn.impute.IterativeImputer`:
* :class:`~sklearn.linear_model.BayesianRidge`: regularized linear regression
* :class:`~sklearn.tree.DecisionTreeRegressor`: non-linear regression
