* may call ParserOutput::recordOption() on the output object.
*
* @param Title $title The page title to use as a context for rendering.
- * @param int|null $revId Optional revision ID being rendered.
+ * @param int|null $revId ID of the revision being rendered.
+ * See Parser::parse() for the ramifications. (default: null)
* @param ParserOptions|null $options Any parser options.
* @param bool $generateHtml Whether to generate HTML (default: true). If false,
* the result of calling getText() on the ParserOutput object returned by