diff --git a/aqt/reviewer.py b/aqt/reviewer.py
index 1589aa11a..f0ed054d1 100644
--- a/aqt/reviewer.py
+++ b/aqt/reviewer.py
@@ -679,9 +679,13 @@ function showAnswer(txt) {
 
     def onDelete(self):
         self.mw.checkpoint(_("Delete"))
+        cnt = len(self.card.note().cards())
         self.mw.col.remNotes([self.card.note().id])
         self.mw.reset()
-        tooltip(_("Note and its cards deleted."))
+        tooltip(ngettext(
+            "Note and its %d card deleted.",
+            "Note and its %d cards deleted.",
+            cnt) % cnt)
 
     def onBuryNote(self):
         self.mw.checkpoint(_("Bury"))