ansible/examples/DOCUMENTATION.yml

---
# If a key doesn't apply to your module (ex: choices, default, or
# aliases) you can use the word 'null', or an empty list, [], where
# appropriate.
module: modulename
short_description: This is a sentence describing the module
description:
    - Longer description of the module
    - You might include instructions
version_added: "X.Y"
author: "Your AWESOME name, @awesome-github-id"
notes:
    - Other things consumers of your module should know 
    - Additional setting requirements
requirements:
    - list of required things
    - like the factor package
    - or a specific platform
options:
# One or more of the following
    option_name:
        description:
            - Words go here
            - that describe
            - this option
        required: true or false
        default: a string or the word null
        choices: [list, of, choices]
        aliases: [list, of, aliases]
        version_added: 1.X