correcting missing loca

i18n/en.i18n.json

@@ -206,6 +206,7 @@
     "editCardStartDatePopup-title": "Change start date",
     "editCardDueDatePopup-title": "Change due date",
     "editCustomFieldPopup-title": "Edit Field",
+    "editCardSpentTimePopup-title": "Change spent time",
     "editLabelPopup-title": "Change Label",
     "editNotificationPopup-title": "Edit Notification",
     "editProfilePopup-title": "Edit Profile",