message: Fixing arithmetic expression in comment.
diff: @@ -4406,7 +4406,7 @@ def sparse_categorical_crossentropy(target, output, from_logits=False, axis=-1):
  target = cast(target, 'int64')
  - # Try to adjust the shape so that rank of labels = 1 - rank of logits.
  + # Try to adjust the shape so that rank of labels = rank of logits - 1.
  output_shape = array_ops.shape_v2(output)
  target_rank = target.shape.ndims
  