Alok Saboo 1aca7b08cf Misc fixes: e.g. -> e.g., and proper case for Home Assistant (#4942)
* e.g. to e.g., and proper case for Home Assistant

* Instructions how to -> Instructions on how to
2018-03-17 20:20:37 +01:00

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---
layout: page
title: "Documentation Standards"
description: "Standards for the creation and maintenance of documentation for Home Assistant."
date: 2017-09-16 03:51
sidebar: true
comments: false
sharing: true
footer: true
---
To ensure that the documentation for Home Assistant is consistent and easy to follow for both novice and expert users, we ask that you follow a very strict set of standards for developing the documentation.
## {% linkable_title General Documentation %}
* The language of the documentation should be American-English.
* Don't put two spaces after a period and avoid the "Oxford comma".
* Be objective and not gender favoring, polarizing, race related or religion inconsiderate.
* The case of brand names, services, protocols, components, and platforms must match its respective counterpart. e.g., "Z-Wave" **not** "Zwave", "Z-wave", "Z Wave" or "ZWave". Also, "Input Select" **not** "input select" or "Input select".
* All headings should use the {% raw %}`{% linkable_title %}`{% endraw %} tag.
## {% linkable_title Component and Platform Pages %}
* The **Configuration Variables** section must use the {% raw %}`{% configuration %}`{% endraw %} tag.
* Configuration variables must document the requirement status.
* Configuration variables must document the default value, if any.
* Configuration variables must document the accepted value types.
* Use `[string, int]` for configuration variables that accept multiple types.
* Use YAML sequence syntax in the sample code if it is supported.
* All examples should be formatted to be included in `configuration.yaml` unless explicitly stated.
* Component and platform names should be a link to their respective documentation pages.
## {% linkable_title Templates %}
* All examples containing Jinja2 templates should be wrapped **outside** of the code markdown with the {% raw %}`{% raw %}`{% endraw %} tag.
* Do not use `states.switch.source.state` in templates. Instead use `states()` and `is_state()`.
* Use double quotes (`"`) for:
* `friendly_name`
* Single-line templates:
* `value_template`
* `level_template`
* `icon_template`
* Children of `data_template`
* Use single quotes (`'`) for:
* Strings inside of templates:
* States
* Entity IDs
* `unit_of_measurement`
* No whitespace around pipe character (`|`) for Jinja2 filters.
* Single whitespace after Jinja2 opening delimiters ({% raw %}`{{`{% endraw %}).
* Single whitespace before Jinja2 closing delimiters ({% raw %}`}}`{% endraw %}).
* Do not quote values for:
* `device_class`
* `platform`
* `condition`
* `service`
## {% linkable_title Renaming Pages %}
It can happen that a component or platform is renamed, in this case the documentation needs to be updated as well. If you rename a page, add `redirect_from:` to the file header and let it point to the old location/name of the page. Please consider to add details, like release number or old component/platform name, to the page in a [note](/developers/documentation/create_page/#html).
```text
---
...
redirect_from: /getting-started/android/
---
```
Adding a redirect also applies if you move content around in the [documentation](/docs/).