1. Download the repository to your computer. The easiest way to do this is via [GitHub Desktop](https://desktop.github.com/).
2. Open [data/channels.csv](data/channels.csv) file in one of the spreadsheet editors (such as [Google Sheets](https://www.google.com/sheets/about/), [LibreOffice](https://www.libreoffice.org/discover/libreoffice/), ...).
4. Make a [pull request](https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests/about-pull-requests) with all changes. This can also be done via [GitHub Desktop](https://desktop.github.com/).
| id | Unique channel ID. Should be derived from the name of the channel and country code separated by dot. May only contain Latin letters, numbers and dot. | Required | `AnhuiTV.cn` |
| name | Official channel name in English. May include: `a-z`, `à-ÿ`, `0-9`, `space`, `-`, `!`, `:`, `&`, `.`, `+`, `'`, `/`, `»`, `#`, `%`, `°`, `$`, `@`, `?`, `(`, `)`. | Required | `Anhui TV` |
| native_name | Channel name in the original language. Used when different from `name`. May contain any characters except `,` and `"`. | Optional | `安徽卫视` |
| network | Network of which this channel is a part. | Optional | `Anhui` |
| country | Country code from which the channel is transmitted. A list of all supported countries and their codes can be found in [data/countries.csv](data/countries.csv) | Required | `CN` |
| subdivision | Code of the subdivision (e.g., provinces or states) from which the broadcast is transmitted. A list of all supported subdivisions and their codes can be found in [data/subdivisions.csv](data/subdivisions.csv) | Optional | `CN-AH` |
| city | Name of the city from which the channel is transmitted. May only contain `a-z`, `à-ÿ`, `0-9`, `space`, `-`, `'`. | Optional | `Hefei` |
| broadcast_area | List of codes describing the broadcasting area of the channel. Any combination of `r/<region_code>`, `c/<country_code>`, `s/<subdivision_code>` | Required | `s/CN-AH` |
| languages | List of languages in which the channel is broadcast separated by `;`. A list of all supported languages and their codes can be found in [data/languages.csv](data/languages.csv) | Required | `zho` |
| categories | List of categories to which this channel belongs separated by `;`. A list of all supported categories can be found in [data/categories.csv](data/categories.csv) | Optional | `general` |
| is_nsfw | Indicates whether the channel broadcasts adult content (`TRUE` or `FALSE`) | Required | `FALSE` |
| launched | Launch date of the channel (`YYYY-MM-DD`) | Optional | `2016-07-28` |
| closed | Date on which the channel closed (`YYYY-MM-DD`) | Optional | `2020-05-31` |
| replaced_by | The ID of the channel that this channel was replaced by. | Optional | `CCTV1.cn` |
