dbf30ff [trivial] Fix typos in comments (practicalswift)
Tree-SHA512: a841c96ba1a80ab57206e8ef4fa9b40ecff2244075a5539fc09f57e763bf2e92b0ed089e32a0dbac3902518dcda43d224f75a3462a560148841746560640ba70
Backport of Core PR10045
https://github.com/bitcoin/bitcoin/pull/10045/