message: docs: a part of metrics usage and extension
diff: @@ -35,7 +35,7 @@ guide_toc:
  monitor_std: "Overview of Monitoring"
  endpoint: "EndPoint usage and extension"
  resource: "Expose RESTFul API"
  - metrics_std: "Use and Extend Metrics"
  + metrics_std: "Metrics usage and extension"
  trace_std: "Trace Monitoring"
  report: "Monitoring Data Report"
  #Data Report
  