oneThis plural form is used for numbers like: 1
You have <%= count %> unread notification
otherThis plural form is used for numbers like: everything else
You have <%= count %> unread notifications
Vous avez une notification non lue.
Vous avez <%= count %> notifications non lues.
You have <%= count %> unread notification
You have <%= count %> unread notifications
You have <%= count %> unread notification
You have <%= count %> unread notifications
Vous avez une notification non lue.
Vous avez <%= count %> notifications non lues.
You have <%= count %> unread notification
You have <%= count %> unread notifications