good to see these things being documented
- revert the replacements of ## with ---, # with = . # and ## are valid. If you want to change depth, add or remove # count.
- maybe mention that if you have multipartition size == block size, you may get better IO performance
- please use lower case, s3a:// and s3n:// for referring to filesystems
- s3:// is going/gone out of trunk. Don't mention it at all
<description>Specify a server-side encryption algorithm for S3A.
The default is NULL, and the only other currently allowable value is AES256.
Not "NULl"; that encourages people to set the value to NULL. Better to say "unset by default, the only allowed value is AES256"