Fix function comments based on best practices from Effective Go

[CodeLingoTeam]

Hi, we updated an exported function comment based on best practices from Effective Go. It’s admittedly a relatively minor fix up. Does this help you?

[codecov]

Codecov Report

Merging #1223 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1223   +/-   ##
=======================================
  Coverage   76.56%   76.56%           
=======================================
  Files          21       21           
  Lines        2931     2931           
=======================================
  Hits         2244     2244           
  Misses        614      614           
  Partials       73       73

Impacted Files	Coverage Δ
lib/log.go	100% <ø> (ø)	⬆️

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