Fix typos #787

1. 
   GoodDaisy commented at 2:22 pm on January 12, 2024: none

   fix typo in doc/Doxyfile.in fix typo in test/functional/wallet_backup.py
2. fix: typo in doc/Doxyfile.in 776de817af
3. fix: typo in test/functional/wallet_backup.py aca8477e63
4. 
   DrahtBot commented at 2:22 pm on January 12, 2024: contributor

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   Type	Reviewers
   Concept ACK	alfonsoromanz

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5. 
   alfonsoromanz commented at 7:01 pm on January 12, 2024: none

   Concept ACK. Maybe it’s better to squash both commits into a single one? Not sure what others think
6. 
   hebasto commented at 10:25 am on January 13, 2024: member

   These changes are not GUI-specific. Therefore, they should be submitted to the main repository, i.e., https://github.com/bitcoin/bitcoin.
7. hebasto closed this on Jan 13, 2024

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8. 
   GoodDaisy commented at 1:11 pm on January 14, 2024: none

   @hebasto thank you very much for your guide. I will submit to the main repository.

Contributors
GoodDaisy DrahtBot alfonsoromanz hebasto