DOC enet_path docstring: fix sub/superscript swap
@@ -332,7 +332,7 @@ def enet_path(X, y, *, l1_ratio=0.5, eps=1e-3, n_alphas=100, alphas=None,
For multi-output tasks it is::
- (1 / (2 * n_samples)) * ||Y - XW||^Fro_2
+ (1 / (2 * n_samples)) * ||Y - XW||_Fro^2
+ alpha * l1_ratio * ||W||_21
+ 0.5 * alpha * (1 - l1_ratio) * ||W||_Fro^2
