hugo/docs/content/en/functions/title.md

title	description	categories	menu	keywords	signature	relatedfuncs
title	Converts the provided string to title case.	functions	docs parent functions	strings	title STRING strings.Title STRING

{{ title "table of contents (TOC)" }} → "Table of Contents (TOC)"

By default, Hugo adheres to the capitalization rules in the Associated Press (AP) Stylebook. Change your site configuration if you would prefer to follow the Chicago Manual of Style, or to use Go's convention of capitalizing every word.