DOC Fix user guide link in MultiTaskElasticNetCV docstring (scikit-learn#8880)

Author: chkoar

sklearn/linear_model/coordinate_descent.py

@@ -1863,7 +1863,7 @@ class MultiTaskElasticNetCV(LinearModelCV, RegressorMixin):
 
     i.e. the sum of norm of each row.
 
-    Read more in the :ref:`User Guide <multi_task_lasso>`.
+    Read more in the :ref:`User Guide <multi_task_elastic_net>`.
 
     Parameters
     ----------