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

Notification header text for when a user is mentioned in a post summary. Parameters:
 * $1 - the formatted username of the person who made the post
 * $2 - the username of the user who mentioned the viewing user, can be used for GENDER
 * $4 - username of the person who receives the notification, can be used for GENDER
 * $5 - title of the topic