This pull request addresses several typographical errors found in the BIP documents:
- Corrected “shemes” to “schemes” in BIP-0088.
- Fixed “publicitly” to “publicly” in BIP-0088.
- Replaced “unambigouos” with “unambiguous” in BIP-0088.
- Corrected “message paddding” to “message padding” in BIP-0098.
- Adjusted “inbetween” to “in between” in BIP-0087.
These changes ensure the clarity and accuracy of the documentation.