diff --git a/mozilla/calendar/locales/en-US/chrome/calendar/calendar.dtd b/mozilla/calendar/locales/en-US/chrome/calendar/calendar.dtd
index 83f30dad8c3..e1560cb8534 100644
--- a/mozilla/calendar/locales/en-US/chrome/calendar/calendar.dtd
+++ b/mozilla/calendar/locales/en-US/chrome/calendar/calendar.dtd
@@ -148,6 +148,7 @@
 <!ENTITY calendar.unifinder.tree.title.label         "Title">
 <!ENTITY calendar.unifinder.tree.percentcomplete.label "&#37; Complete">
 <!ENTITY calendar.unifinder.tree.startdate.label     "Start Date">
+<!ENTITY calendar.unifinder.tree.enddate.label       "End Date">
 <!ENTITY calendar.unifinder.tree.duedate.label       "Due Date">
 <!ENTITY calendar.unifinder.tree.completeddate.label "Completed Date">
 <!ENTITY calendar.unifinder.tree.categories.label    "Categories">