Dashes and hyphens
Use a hyphen (-) without spaces on either side to link words into single phrase, or to indicate a span or range.
- first-time user
Use an em dash ( — ) with a space on either side to offset an aside. Be sure that you are using a true em dash ( — ), not hyphens (- or --).
- Multivariate testing — just one of our new Pro features — can help you grow your business.
- Austin thought Brad was the donut thief, but he was wrong — it was Lain.