diff --git a/aqt/addons.py b/aqt/addons.py
index 1de5ff064..c6ba47c47 100644
--- a/aqt/addons.py
+++ b/aqt/addons.py
@@ -648,6 +648,7 @@ class ConfigEditor(QDialog):
     def onRestoreDefaults(self):
         default_conf = self.mgr.addonConfigDefaults(self.addon)
         self.updateText(default_conf)
+        tooltip(_("Restored defaults"), parent=self)
 
     def setupFonts(self):
         font_mono = QFontDatabase.systemFont(QFontDatabase.FixedFont)