chore: fix typo in comment

[vetclippy]

👮🏻👮🏻👮🏻 !!!! REFERENCE THE PROBLEM YOUR ARE SOLVING IN THE PR TITLE AND DESCRIBE YOUR SOLUTION HERE !!!! DO NOT FORGET !!!! 👮🏻👮🏻👮🏻

fix typo in comment

PR Checklist:

• Have you read the CONTRIBUTING.md?
• Does your PR follow the C4 patch requirements?
• Have you rebased your work on top of the latest master?
• Have you checked your code compiles? (make)
• Have you included tests for any non-trivial functionality?
• Have you checked your code passes the unit tests? (make test)
• Have you checked your code formatting is correct? (go fmt)
• Have you checked your basic code style is fine? (golangci-lint run)
• If you added any dependencies, have you checked they do not contain any known vulnerabilities? (go list -json -m all | nancy sleuth)
• If your changes affect the client infrastructure, have you run the integration test?
• If your changes affect public APIs, does your PR follow the C4 evolution of public contracts?
• If your code changes public APIs, have you incremented the crate version numbers and documented your changes in the CHANGELOG.md?
• If you are contributing for the first time, please read the agreement in CONTRIBUTING.md now and add a comment to this pull request stating that your PR is in accordance with the Developer's Certificate of Origin.

Thank you for your code, it's appreciated! :)

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 31.05%. Comparing base (f7a8fa2) to head (75fbe32).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1198   +/-   ##
=======================================
  Coverage   31.05%   31.05%           
=======================================
  Files         106      106           
  Lines       19006    19006           
=======================================
  Hits         5903     5903           
  Misses      12057    12057           
  Partials     1046     1046           

Flag	Coverage Δ
integration_tests	24.03% <ø> (ø)
integration_tests_byzantine	11.32% <ø> (ø)
integration_tests_gov	11.54% <ø> (ø)
integration_tests_grpc	11.54% <ø> (ø)
integration_tests_ibc	25.27% <ø> (ø)
integration_tests_ledger	11.53% <ø> (ø)
integration_tests_slow	11.53% <ø> (ø)
integration_tests_solomachine	11.35% <ø> (ø)
integration_tests_upgrade	11.54% <ø> (ø)

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