a85ef62698eae748242f31db80fa3aabd3b2b64e fix typo (Buck Perley)
Pull request description:
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### Description
<!-- Describe the purpose of this PR, what's being adding and/or fixed -->
just a small typo fix
### Notes to the reviewers
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of the PR were done in a specific way -->
### Checklists
#### All Submissions:
* [x] I've signed all my commits
* [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
* [x] I ran `cargo fmt` and `cargo clippy` before committing
ACKs for top commit:
rajarshimaitra:
ACK a85ef62698eae748242f31db80fa3aabd3b2b64e
afilini:
ACK a85ef62698eae748242f31db80fa3aabd3b2b64e
Tree-SHA512: 089de23adae62492a0b39a27c9cb8cb8afc99e5634194118681b8a9a46ff0b073558f9cd515cd4db4c9c6e6f9c813bfa4b193d4e3f9558b34ad29cbd46cf028c
2283444f72