improve message

gui/qt/main_window.py

@@ -3172,7 +3172,7 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
             self.wallet.save_transactions(write=True)
             # need to update at least: history_list, utxo_list, address_list
             self.need_update.set()
-            self.msg_box(QPixmap(":icons/offline_tx.png"), None, _('Success'), _("Transaction saved successfully"))
+            self.msg_box(QPixmap(":icons/offline_tx.png"), None, _('Success'), _("Transaction added to wallet history"))
             return True