MediaWiki:Notification-header-flow-mention-header/qqq

Notification header text for when a user is mentioned in the board description. Parameters:
 * $1 - the formatted username of the person who made the post
 * $2 - the username for gender purposes
 * $3 - title of the Flow board
 * $4 - username of the person who receives the notification, can be used for GENDER