diff --git a/src/calibre/gui2/tweak_book/undo.py b/src/calibre/gui2/tweak_book/undo.py
index 191c019346..1fbfb02246 100644
--- a/src/calibre/gui2/tweak_book/undo.py
+++ b/src/calibre/gui2/tweak_book/undo.py
@@ -56,7 +56,7 @@ class GlobalUndoHistory(QAbstractListModel):
     def label_for_row(self, row):
         msg = self.states[row].message
         if self.pos == row:
-            msg = _('Current state') if not msg else _('%s [Current]') % msg
+            msg = _('Current state') + ('' if not msg else _(' [was %s]') % msg)
         elif not msg:
             msg = _('[Unnamed state]')
         else: