message: The link translator expects "@{" for API links.
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diff: @@ -388,7 +388,7 @@ class TPUEstimatorSpec(collections.namedtuple('TPUEstimatorSpec', [
  `metric_fn` runs on CPU to generate metrics and `tensors` represents the
  `Tensor`s transferred from TPU system to CPU host and passed to `metric_fn`.
  To be precise, TPU evaluation expects a slightly different signature from the
  - ${tf.estimator.Estimator}. While `EstimatorSpec.eval_metric_ops` expects a
  + @{tf.estimator.Estimator}. While `EstimatorSpec.eval_metric_ops` expects a
  dict, `TPUEstimatorSpec.eval_metrics` is a tuple of `metric_fn` and `tensors`.
  The `tensors` could be a list of `Tensor`s or dict of names to `Tensor`s. The
  `tensors` usually specify the model logits, which are transferred back from
  