correct spelling mistake from not effect to no effect
@@ -94,7 +94,7 @@ class IsolationForest(OutlierMixin, BaseBagging):
processors. See :term:`Glossary <n_jobs>` for more details.
behaviour : str, default='deprecated'
- This parameter has not effect, is deprecated, and will be removed.
+ This parameter has no effect, is deprecated, and will be removed.
.. versionadded:: 0.20
``behaviour`` is added in 0.20 for back-compatibility purpose.
