fix obsolete document
@@ -82,7 +82,7 @@ class Softmax(function.Function):
def softmax(x, use_cudnn=True, axis=1):
- """Channelwise softmax function.
+ """Softmax function.
This function computes its softmax along an axis. Let
:math:`x = (x_1, x_2, \\dots, x_d)^{\\top}` be the d dimensional index
