doc: fix minor typos in comments #31673

1. 
   adlai commented at 3:39 pm on January 16, 2025: contributor

   In the unrelated PR #31621 the linter reported a few typos, that are fixed in this commit. I used the “doc” prefix as it only modifies comments, so none of the more significant prefixes seem appropriate.
2. doc: fix typos b30cc71e85
3. 
   DrahtBot commented at 3:39 pm on January 16, 2025: contributor

   The following sections might be updated with supplementary metadata relevant to reviewers and maintainers.

   Code Coverage & Benchmarks

   For details see: https://corecheck.dev/bitcoin/bitcoin/pulls/31673.

   Reviews

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4. DrahtBot added the label Docs on Jan 16, 2025
5. 
   maflcko commented at 3:45 pm on January 16, 2025: member

   lgtm ACK b30cc71e853cbaaec66e7e23d7d1a32468079ee0
6. fanquake merged this on Jan 16, 2025
7. fanquake closed this on Jan 16, 2025

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8. adlai deleted the branch on Jan 16, 2025

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adlai DrahtBot maflcko

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