Fix backticks

naoyak · naoyak · commit 409509b5ff34 · 2016-12-31T19:49:53.000-08:00
diff --git a/sklearn/decomposition/sparse_pca.py b/sklearn/decomposition/sparse_pca.py
@@ -154,7 +154,7 @@ def transform(self, X, ridge_alpha='deprecated'):
 
             .. deprecated:: 0.19
                This parameter will be removed in 0.21.
-               Specify `ridge_alpha` in the `SparsePCA` constructor.
+               Specify ``ridge_alpha`` in the ``SparsePCA`` constructor.
 
         Returns
         -------
