fix wording

electrum/gui/qt/settings_dialog.py

@@ -141,7 +141,7 @@ open. For this to work, your computer needs to be online regularly.""")
         lightning_widgets.append((local_wt_cb, None))
 
         help_persist = _("""If this option is checked, Electrum will persist after
-you close all your wallet windows, and the Electrum icon will be visible in the toolbar.
+you close all your wallet windows, and the Electrum icon will be visible in the taskbar.
 Use this if you want your local watchtower to keep running after you close your wallet.""")
         persist_cb = QCheckBox(_("Persist after all windows are closed"))
         persist_cb.setToolTip(help_persist)