diff --git a/ankiqt/ui/cardlist.py b/ankiqt/ui/cardlist.py
index a7f06de79..05f2dcef7 100644
--- a/ankiqt/ui/cardlist.py
+++ b/ankiqt/ui/cardlist.py
@@ -846,7 +846,7 @@ where id in %s""" % ids2str(sf))
                                   frm.type.currentIndex(),
                                   frm.re.isChecked())
         except sre_constants.error:
-            ui.utils.showInfo(_("Invalid regexp."),
+            ui.utils.showInfo(_("Invalid regular expression."),
                               parent=self)
         self.deck.setUndoEnd(n)
         self.deck.finishProgress()