Remove ambiguous comment

[chilagrow]

Description

Closes #<issue_number>.

Readiness checklist

• I added/updated unit tests (and they pass).
• I added/updated integration/compatibility tests (and they pass).
• I added/updated comments and checked rendering.
• I made spot refactorings.
• I updated user documentation.
• I ran task all, and it passed.
• I ensured that PR title is good enough for the changelog.
• (for maintainers only) I set Reviewers (@FerretDB/core), Milestone (Next), Labels, Project and project's Sprint fields.
• I marked all done items in this checklist.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 74.03%. Comparing base (f87a2c2) to head (7bdec1d).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4382      +/-   ##
==========================================
- Coverage   75.11%   74.03%   -1.09%     
==========================================
  Files         326      326              
  Lines       22343    22343              
==========================================
- Hits        16784    16541     -243     
- Misses       4363     4592     +229     
- Partials     1196     1210      +14     

Files	Coverage Δ
internal/handler/msg_hello.go	76.00% <ø> (ø)

... and 29 files with indirect coverage changes

Flag	Coverage Δ
filter-false	?
filter-true	67.42% <ø> (-2.83%)	⬇️
hana-1	?
integration	67.42% <ø> (-2.87%)	⬇️
mongodb-1	4.95% <ø> (-0.01%)	⬇️
mysql-1	?
mysql-2	?
mysql-3	?
postgresql-1	43.93% <ø> (-11.15%)	⬇️
postgresql-2	44.89% <ø> (-8.74%)	⬇️
postgresql-3	42.97% <ø> (-9.64%)	⬇️
postgresql-4	40.31% <ø> (-0.07%)	⬇️
postgresql-5	43.72% <ø> (-0.06%)	⬇️
sqlite-1	43.16% <ø> (-10.87%)	⬇️
sqlite-2	43.97% <ø> (-8.67%)	⬇️
sqlite-3	42.20% <ø> (-9.43%)	⬇️
sqlite-4	39.45% <ø> (ø)
sqlite-5	43.04% <ø> (-0.05%)	⬇️
unit	33.13% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

[rumyantseva]

👌