A-B-C-D

U-V-W-X-Y-Z

Use this:

Not this:

Use this:

Not this:

E-F-G-H

Abbreviations & Acronyms

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Not this:

Use this:

a.m.

Not this:


am, AM, A.M.

I-J-K-L

Capitalization

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Not this:

Use this:

URLs in lower caps: www.nosuchsite.net

Not this:

www.NoSuchSite.net

M-N-O-P

Numbers

Use this:

online
proof-read

Not this:

on-line, on line
proofread

Spell out numbers under 100

Format phone numbers like:
555/123-4567, not (555) 123-4567 or 555.123.4567.

Q-R-S-T

Punctuation

Use this:

Not this:

Use serial commas (use a common before "and" in a series of three or more items)

Contractions are OK.