BIP352: minor docstring fixups #1811

1. 
   futreall commented at 6:11 am on April 3, 2025: contributor
2. fix err `has` to `hash` reference.py a6cbb79a3f
3. murchandamus approved
4. 
   murchandamus commented at 1:35 pm on April 4, 2025: contributor

   LGTM, thanks
5. murchandamus merged this on Apr 4, 2025
6. murchandamus closed this on Apr 4, 2025

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Contributors
futreall murchandamus