fix(chat): shorten comment to pass linter

[sashabaranov]

This commit shortens a long comment in chat.go to pass the golangci-lint checks.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 99.59%. Comparing base (181c0e8) to head (81f9109).
Report is 2 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1050   +/-   ##
=======================================
  Coverage   99.59%   99.59%           
=======================================
  Files          34       34           
  Lines        2205     2205           
=======================================
  Hits         2196     2196           
  Misses          6        6           
  Partials        3        3           

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