Swagger subheadings are uneven
Within the Swagger docs representation each heading is a different size. I don't know if they are all meant to be at the same level of hierarchy, but the docs look visually inconsistent when e.g. you browse to 'Works' > 'Sort' at https://api.staging.crossref.org/swagger-ui/index.html#/Work/get_works
# Deep paging
## Facets
## Filters
# Pagination with offsets
# Field Queries
## Elements
# Sort
Just a quick review and tidyup needed.
Files in this directory: https://gitlab.com/crossref/rest_api/tree/develop/resources/swagger