The title for a page is used in a number of places. It is used the page is in the index of another page, it is used on the page itself in the breadcrumbs and also in the <TITLE> element in the HTML.
By default the title is derived from the filename for the page. This can be overriden using the @title directive. So the code:
@title A longer title
would change the title of the page to A longer title.
Titles should not contain the " < > ` or asterisk characters.