Spelling and Grammar Consistent and correct spelling of terms and observance of grammatical rules enhances clarity and reduces cognitive load for users. Preferred SpellingMaintain consistency throughout all documents by using these preferred spellings of words and phrases that have various forms. PunctuationUse punctuation marks consistently and correctly. Parenthetical PluralsDon't use a parenthetical (s) to indicate that a word could be either singular or plural. Instead, use either plural or singular constructions and keep things consistent throughout your documentation. Choose what is most appropriate for your documentation and your audience. Abbreviations/AcronymsStandard abbreviations and acronyms can be used after providing a first use definition. CapitalizationObserve the following capitalization rules for all training, support, and help content.