Update softmax.jl

Author: staticfloat

src/softmax.jl

@@ -59,7 +59,7 @@ end
     logsoftmax(xs) = log.(exp.(xs) ./ sum(exp.(xs)))
 
 `logsoftmax(xs)` computes the log of `softmax(xs)`, but in a more numerically stable
-way than directly taking the log of the the softmax function, which is commonly used in
+way than directly taking the log of the softmax function, which is commonly used in
 computing cross entropy loss.
 """
 logsoftmax(xs) = logsoftmax!(similar(xs), xs)
@@ -82,4 +82,4 @@ function logsoftmax!(out::AbstractVecOrMat, xs::AbstractVecOrMat)
     return out
 end
 ∇logsoftmax(Δ, xs) = ∇softmax(Δ ./ max.(eps(eltype(xs)),softmax(xs)), xs)
-∇logsoftmax!(Δ, xs) = ∇softmax!(Δ, Δ, xs)
+∇logsoftmax!(Δ, xs) = ∇softmax!(Δ, Δ, xs)