Wikipedia:Manual of Style/Capital letters

From Wikipedia, the free encyclopedia

Wikipedia avoids unnecessary capitalization. In English, capitalization is primarily needed for proper names, acronyms, and for the first letter of a sentence.[lower-alpha 1] Wikipedia relies on sources to determine what is conventionally capitalized; only words and phrases that are consistently capitalized in a substantial majority of independent, reliable sources are capitalized in Wikipedia.

There are exceptions for specific cases discussed below.