IT'S ALL IN THE DETAILS
Often-Overlooked Rules of Grammar
It's the little things that can make all the difference. The things you might not notice when they're right, but you always notice when they aren't. Those things that, once you have learned the right way, will make you cringe when seen any other way.
Hyphen vs. dash.
Its vs. It's
It's is a contraction, a combination of the pronoun it and either the verb is or has. Examples of contractions: He'd and they're. Use its, without the apostrophe, to refer to a possessive, like hers or his. Though most possessives (Jimmy's, for example) use an apostrophe, its does not.
Quotes vs. inch marks
[Brackets] vs. (parentheses)
Use parentheses (the marks surrounding this) as a way to provide an additional or alternative explanation of the subject at hand: The record low for July 9 was 60° (15°C).
Acronyms are good examples of when to use parentheses: Parent Teacher Association (PTA).
Spell out numbers under 11
Colons and semi-colons
Avoid double spacing