fix: use default docblock size > 0

[eguguchkin]

• I have read and followed all requirements in CONTRIBUTING.md;
• I used LLM/AI assistance to make this pull request;

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.32%. Comparing base (6ffb9f1) to head (1527b24).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #178      +/-   ##
==========================================
+ Coverage   71.22%   71.32%   +0.10%     
==========================================
  Files         198      198              
  Lines       18210    18215       +5     
==========================================
+ Hits        12970    12992      +22     
+ Misses       4522     4502      -20     
- Partials      718      721       +3     

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