docs/data/reusables/pages/yaml-rules.md

• Use spaces instead of tabs.
• Include a space after the : for each key value pair, like timezone: Africa/Nairobi.
• Use only UTF-8 characters.
• Quote any special characters, such as :, like title: "my awesome site: an adventure in parse errors".
• For multi-line values, use | to create newlines and > to ignore newlines.