Replace a duplicate string

src/controller.cpp

@@ -2015,7 +2015,7 @@ void Controller::shutdownhushd()
         connD.topIcon->setMovie(movie2);
         movie2->start();
         connD.status->setText(QObject::tr("Please wait for SilentDragonLite to exit"));
-        connD.statusDetail->setText(QObject::tr("Please wait for SilentDragonLite to exit"));
+        connD.statusDetail->setText(QObject::tr("It may take several minutes"));
     } else {
         QMovie *movie1 = new QMovie(":/img/res/silentdragonlite-animated-startup-dark.gif");;
         movie1->setScaledSize(size);
@@ -2023,7 +2023,7 @@ void Controller::shutdownhushd()
         connD.topIcon->setMovie(movie1);
         movie1->start();
         connD.status->setText(QObject::tr("Please wait for SilentDragonLite to exit"));
-        connD.statusDetail->setText(QObject::tr("Please wait for SilentDragonLite to exit"));
+        connD.statusDetail->setText(QObject::tr("It may take several minutes"));
     }
       
         bool finished = false;