message: Update docmentation of the new flag
diff: @@ -87,17 +87,17 @@ void AppendMarkForCompilationPassFlagsInternal(std::vector<Flag>* flag_list) {
  "Maximum number of operators in an XLA compilation."),
  Flag("tf_xla_supported_nodes",
  &mark_for_compilation_flags->tf_xla_supported_nodes,
  - "Limit the nodes clustered to XLA to those nodes. If multiple, "
  - "separate them by comma. Shortcuts: "
  + "Limit the operations clustered to XLA to those operations. "
  + "If multiple, separate them by comma. Shortcuts: "
  " PW: All point-wise operations."
  " RED: All reduction operations."
  " SMALL: Mixed small operations."
  - " PWRED: TF operation that get converted to PW+RED operation in XLA."
  - " REDUCEWINDOW: TF operation like MaxPool/AvgPool that get converted to ReduceWindow in XLA."
  - " REDUCEWINDOPW: Operation that get converted to ReduceWindow + PW (LRN, LRNGrad)"
  + " PWRED: TF operations that get converted to PW+RED operation in XLA."
  + " REDUCEWINDOW: TF operations like MaxPool/AvgPool that get converted to ReduceWindow in XLA."
  + " REDUCEWINDOPW: Operation that get converted to ReduceWindow + PW (LRN, LRNGrad)."
  " BN: TF FusedBatchNorm* operations."
  - " FUSIBLE: all nodes that XLA can fuse (All the above)"
  - "in some cases. You can also put any TF operation name."),
  + " FUSIBLE: All TF operations that XLA can fuse (All the above). "
  + "You can also put any TF operation name."),
  Flag("tf_xla_clustering_debug",
  &mark_for_compilation_flags->tf_xla_clustering_debug,
  "Dump graphs during XLA compilation."),
  