Description of the change: Heading 'Numbers with five or more digits' changed to 'Numbers with four or more digits' to fit examples.
Changed 'h' to 'hours' in correct example of ranges of numbers.
Description of the change: Adjusted 'Cochrane Review' to 'Cochrane review'.
Adjusted 'RevMan Web' to 'RevMan'.
Text updated for focused review format.
Table deleted and new figure for heading levels added.
Link added to Abbreviations
Typo corrected
Text amended to match Abbreviations section
Description of the change: Heading 'Words and expressions to avoid' resized and re-linked to top menu.
Link to 'readability' in old Cochrane webpage removed and some of the text added to expand this section.
Another example added to table
Description of the change: Adjusted 'Cochrane Review' to 'Cochrane review'.
Information added about overviews and QES reviews.
Link to 'common abbreviations that do not need to be defined' changed to section not general heading
Broken link to Abbreviations and acronyms fixed
Typo corrected