Fix spelling and formatting issues #31513

1. 
   savvar9991 commented at 9:12 am on December 17, 2024: none

   Description:

   This pull request addresses the following changes:

   1. Corrected the spelling of “useable” to “usable”.
   2. Changed “summarising” to the American English spelling “summarizing”.
   3. Updated “addresstype” to “address type” for clarity and consistency.

   Changes:

   • useable → usable
   • summarising → summarizing
   • addresstype → address type
2. Update psbt.md c9aff7da38
3. Update build-osx.md 1a1d824726
4. Update developer-notes.md ff39b93418
5. 
   DrahtBot commented at 9:12 am on December 17, 2024: 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/31513.

   Reviews

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   Type	Reviewers
   Concept NACK	maflcko

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6. 
   maflcko commented at 9:58 am on December 17, 2024: member

   NACK. Any colour or color of English is fine.
7. fanquake closed this on Dec 17, 2024

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8. savvar9991 deleted the branch on Dec 17, 2024

Contributors
savvar9991 DrahtBot maflcko