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
You have <%= count %> unread notification
You have <%= count %> unread notifications
You have <%= count %> unread notification
You have <%= count %> unread notifications
You have <%= count %> unread notification
You have <%= count %> unread notifications