Update slice documentation

[antimora]

Pull Request Template

Checklist

• Confirmed that run-checks all script has been executed.
• Made sure the book is up to date with changes in this PR.

Related Issues/PRs

#1989

Changes

Clarified behavior for D2 < D for slice ranges.

Testing

None

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.25%. Comparing base (2a5d175) to head (48277ec).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #2024   +/-   ##
=======================================
  Coverage   84.25%   84.25%           
=======================================
  Files         845      845           
  Lines      105444   105444           
=======================================
  Hits        88843    88843           
  Misses      16601    16601           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[laggui]

Ahh yes that makes sense 😄 LGTM