message: Fix unevaluated link in "Reading data" docs
diff: @@ -58,7 +58,7 @@ A typical pipeline for reading records from files has the following stages:
  8. Example queue
  Note: This section discusses implementing input pipelines using the
  -queue-based APIs which can be cleanly replaced by the ${$datasets$Dataset API}.
  +queue-based APIs which can be cleanly replaced by the @{$datasets$Datasets API}.
  ### Filenames, shuffling, and epoch limits
  