To include a template in this category, add [[Category:Title templates]]
to the <includeonly> section at the bottom of the template's /doc subpage if such a page exists. Otherwise, add <noinclude>[[Category:Title templates]]</noinclude>
to the end of the template code, making sure it starts on the same line as the last character of the code.
Wikipedia templates that place content in the top of an article, above or just below the line under an article's title in monobook skin (placement in other skins may vary). See above example.