message: Fix simple typo: activiations -> activations
diff: @@ -1986,7 +1986,7 @@ def TFL_SoftmaxOp : TFL_Op<"softmax", [
  let summary = "Softmax operator";
  let description = [{
  - Computes element-wise softmax activiations with the following formula
  + Computes element-wise softmax activations with the following formula
  exp(input) / tf.reduce_sum(exp(input * beta), dim)
  }];
  