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Content style guide

Learn about our house style, tone of voice and our spelling and grammar conventions

Writing for users

Our general writing principles and how to create content that meets our users' needs.


Everything you need to know about grammar, language and spelling.


How to format content, including numbers, links, bullet lists and sources.


From dates to page numbers to percentages; how to use numbers correctly.

Content types

Different types of content we produce, and how and when to use them.

Social media

A guide to writing for social media, including how to use graphics and hashtags.