fix: typos in documentation files

[kilavvy]

Description correction:
Corrected programing to programming

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PR-Codex overview

This PR focuses on correcting minor typographical errors in documentation files related to the hubble project.

Detailed summary

• Fixed typo: changed "trucated" to "truncated" in docs/reference/hubble/httpapi/message.md.
• Fixed typo: changed "programing" to "programming" in docs/reference/hubble/grpcapi/grpcapi.md.

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[kilavvy]

@akshaan @deodad @horsefacts I’ve just submitted a pull request. Could you please review it when you have a chance? I’d appreciate your feedback and any comments. Thank you!

[kilavvy]

@akshaan @deodad @horsefacts I’ve just submitted a pull request. Could you please review it when you have a chance? I’d appreciate your feedback and any comments. Thank you!