Merge pull request scikit-learn#6530 from Arafatk/master

Correcting Typo in sklearn.linear_model.Ridge

Author: agramfort

sklearn/linear_model/ridge.py

@@ -696,7 +696,7 @@ class RidgeClassifier(LinearClassifierMixin, _BaseRidge):
           (possibility to set `tol` and `max_iter`).
 
         - 'lsqr' uses the dedicated regularized least-squares routine
-          scipy.sparse.linalg.lsqr. It is the fatest but may not be available
+          scipy.sparse.linalg.lsqr. It is the fastest but may not be available
           in old scipy versions. It also uses an iterative procedure.
 
         - 'sag' uses a Stochastic Average Gradient descent. It also uses an