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1. Short Sentences – to ensure that your reader is following you.
2. Consistent Terms – spell out acronyms or technical expressions at the outset
3. Clear Screen Shots – nicely selected screen shots
4. Relevant Diagrams – nice diagrams also will help the reader to understand your points
5. Know Your Reader – the ones reading technical documentation about software are developers and quality assurance personnel
6. Give Examples – use relevant data and models
7. Short Paragraphs – do not cover more than one important concept per paragraph
8. Detailed Table of Contents – take the time to provide a nice document map in the form of a good TOC
9. Detailed Index – have a nice index that covers, alphabetically, important concepts
10. Publishing Your Work – choose the output format that will be best for your audience