Do not average more than two or three sentences per paragraph.

Do not indent paragraphs that have a space between them.

Do not start sentences with numbers. Such as, "20% of all policemen prefer powdered donuts." Correct: Twenty percent of all policemen prefer powdered donuts."

Do not put two spaces after periods if using a computer. Page layout and word processing programs put the proper spacing after periods automatically.

Do not use underline or all caps as a way to stress a point. These are leftovers from the typewriter age. Use bold or italics instead.

Do not use italics on your web site or they will look like the italics in the previous sentence.