message: Single quote to backtick for consistency
diff: @@ -49,7 +49,7 @@ class MirroredStrategy(distribute_lib.DistributionStrategy):
  There are several important concepts for distributed TensorFlow, e.g.
  `client`, `job`, `task`, `cluster`, `in-graph replication` and
  - 'synchronous training' and they have already been defined in the
  + `synchronous training` and they have already been defined in the
  [TensorFlow's documentation](https://www.tensorflow.org/deploy/distributed).
  The distribution strategy inherits these concepts as well and in addition to
  that we also clarify several more concepts:
  