Fix typo in README.md

[vitalyisaev2]

Pull request type

Please check the type of change your PR introduces:

• Bugfix
• Feature
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no api changes)
• Build related changes
• Documentation content changes
• Other (please describe):

What is the current behavior?

Issue Number: N/A

What is the new behavior?

N/A

Other information

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 66.95%. Comparing base (caa3b27) to head (51ffe3c).

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1503      +/-   ##
==========================================
- Coverage   67.01%   66.95%   -0.06%     
==========================================
  Files         353      353              
  Lines       36825    36825              
==========================================
- Hits        24678    24657      -21     
- Misses      11062    11076      +14     
- Partials     1085     1092       +7     

Flag	Coverage Δ
experiment	71.10% <ø> (-0.05%)	⬇️
go-1.21.x	67.17% <ø> (-0.11%)	⬇️
go-1.22.x	64.86% <ø> (-0.12%)	⬇️
go-1.23.x	66.92% <ø> (-0.06%)	⬇️
integration	53.08% <ø> (-0.13%)	⬇️
macOS	40.78% <ø> (-0.04%)	⬇️
ubuntu	71.24% <ø> (-0.08%)	⬇️
unit	41.25% <ø> (-0.02%)	⬇️
windows	41.24% <ø> (ø)
ydb-23.3	46.62% <ø> (-0.17%)	⬇️
ydb-24.1	52.98% <ø> (-0.17%)	⬇️
ydb-24.2	52.96% <ø> (-0.23%)	⬇️
ydb-nightly	71.10% <ø> (-0.05%)	⬇️

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