diff --git a/mozilla/calendar/locales/en-US/chrome/calendar/calendar.dtd b/mozilla/calendar/locales/en-US/chrome/calendar/calendar.dtd
index 82ca680561a..583ff19369b 100644
--- a/mozilla/calendar/locales/en-US/chrome/calendar/calendar.dtd
+++ b/mozilla/calendar/locales/en-US/chrome/calendar/calendar.dtd
@@ -226,18 +226,28 @@
 <!ENTITY calendar.maintoolbar.accesskey               "M">
 
 <!-- Context Menu -->
+<!ENTITY calendar.context.modifyitem.label            "Open">
+<!ENTITY calendar.context.modifyitem.accesskey        "O">
 <!ENTITY calendar.context.newevent.label              "New Event…">
 <!ENTITY calendar.context.newevent.accesskey          "N">
 <!ENTITY calendar.context.newtodo.label               "New Task…">
 <!ENTITY calendar.context.newtodo.accesskey           "k">
-<!ENTITY calendar.context.modifytask.label            "Edit Task…">
-<!ENTITY calendar.context.modifytask.accesskey        "E">
-<!ENTITY calendar.context.modifyitem.label            "Edit Item">
-<!ENTITY calendar.context.modifyitem.accesskey        "E">
+<!ENTITY calendar.context.modifytask.label            "Open Task…">
+<!ENTITY calendar.context.modifytask.accesskey        "O">
 <!ENTITY calendar.context.deletetask.label            "Delete Task">
 <!ENTITY calendar.context.deletetask.accesskey        "l">
-<!ENTITY calendar.context.deleteitem.label            "Delete Item">
+<!ENTITY calendar.context.deleteitem.label            "Delete">
 <!ENTITY calendar.context.deleteitem.accesskey        "l">
+<!ENTITY calendar.context.deleteevent.label            "Delete Event">
+<!ENTITY calendar.context.deleteevent.accesskey        "l">
+<!ENTITY calendar.context.deletethisevent.label       "This Event">
+<!ENTITY calendar.context.deletethisevent.accesskey   "T">
+<!ENTITY calendar.context.deletecompleteseries.label  "Complete Series">
+<!ENTITY calendar.context.deletecompleteseries.accesskey   "S">
+<!ENTITY calendar.context.deletefutureevents.label     "All Future Events">
+<!ENTITY calendar.context.deletefutureevents.accesskey "F">
+<!ENTITY calendar.context.deletefuturetasks.label     "All Future Tasks">
+<!ENTITY calendar.context.deletefuturetasks.accesskey "F">
 <!ENTITY calendar.context.cutevent.label              "Cut">
 <!ENTITY calendar.context.cutevent.accesskey          "t">
 <!ENTITY calendar.context.copyevent.label             "Copy">