Minor syntactical adjustments to the inline documentation for the `revision_text_diff_options` hook.

Converts backticked-inline-code to inline `@see` tags (for the full benefit of Code Reference automagical behavior).

See [30396]. See #24908.


git-svn-id: https://develop.svn.wordpress.org/trunk@30497 602fd350-edb4-49c9-b593-d223f7449a82