platform/packages/ui/lang/en.json

{
  "string": {
    "Cancel": "Cancel",
    "Minutes": "{minutes, plural, =0 {less than a minute ago} =1 {a minute ago} other {# minutes ago}}",
    "Hours": "{hours, plural, =0 {less than an hour ago} =1 {an hour ago} other {# hours ago}}",
    "Days": "{days, plural, =0 {today} =1 {yesterday} other {# days ago}}"
  }
}