* Construct a WHERE clause which will match all the given titles.
*
* @param string $prefix The appropriate table's field name prefix ('page', 'pl', etc)
- * @param IDatabase $db DatabaseBase object to use
+ * @param IDatabase $db DB object to use
* @return string|bool String with SQL where clause fragment, or false if no items.
*/
public function constructSet( $prefix, $db ) {