Make some option descriptions fit the usual pattern.
Make some option descriptions fit the usual pattern.

- No trailing '.' chars.
- Use a lower-case letter at the start.

aidancully/rust,aidancully/rust,graydon/rust,graydon/rust,graydon/rust,aidancully/rust,aidancully/rust,aidancully/rust,graydon/rust,aidancully/rust,graydon/rust,graydon/rust