This guide from the UK based Plain English Campaign, provides an introduction and tips for writing in plain English.
"The guide looks at the main ways to make writing clearer.
- Keep your sentences short
- Prefer active verbs
- Use 'you' and 'we'
- Use words that are appropriate for the reader
- Don't be afraid to give instructions
- Avoid nominalizations
- Use lists where appropriate
The guide [also] looks at the difficult subject of apologising, and deals with some of the myths that can get in the way of clear communication. The guide finishes with a summary and a list of words to avoid." (Plain English Campaign)
Plain English Campaign. Plain English Campaign, (n.d.). How to write in plain english. Retrieved from website: http://www.plainenglish.co.uk/files/howto.pdf
'How to write in plain English' is referenced in: