The LexoRank Management User Interface is not documented

Summary

In JIRA Agile 6.7 there is a new feature "LexoRank Management".

This feature will be fantastic for users, as it prevents having to manually call REST endpoints when troubleshooting LexoRank issues.

Environment

JIRA Agile 6.7.0 with compatible versions of JIRA.

Steps to Reproduce

Attempt to locate documentation on the LexoRank Management feature using Google or Confluence's search returns no relevant results.

Expected Results

There should be a document covering the basics of this feature and when to use it, the document should exist under: JIRA Agile Administrator's Guide

Actual Results

No results for the following query in the Agile 6.7 Space: https://confluence.atlassian.com/dosearchsite.action?queryString=LexoRank&startIndex=0&where=AGILE

Notes

This feature replaces many of the manual rest calls covered in the Agile KB guides:
For Example: How To Fix Duplicate Rank Values For a Rank Field