Qt: (minor) clean up "about" message

gui/qt/main_window.py

@@ -562,9 +562,13 @@ class ElectrumWindow(QMainWindow, MessageBoxMixin, PrintError):
 
     def show_about(self):
         QMessageBox.about(self, "Electrum",
-            _("Version")+" %s" % (self.wallet.electrum_version) + "\n\n" +
-                _("Electrum's focus is speed, with low resource usage and simplifying Bitcoin. You do not need to perform regular backups, because your wallet can be recovered from a secret phrase that you can memorize or write on paper. Startup times are instant because it operates in conjunction with high-performance servers that handle the most complicated parts of the Bitcoin system."  + "\n\n" +
-                _("Uses icons from the Icons8 icon pack (icons8.com).")))
+                          (_("Version")+" %s" % self.wallet.electrum_version + "\n\n" +
+                           _("Electrum's focus is speed, with low resource usage and simplifying Bitcoin.") + " " +
+                           _("You do not need to perform regular backups, because your wallet can be "
+                              "recovered from a secret phrase that you can memorize or write on paper.") + " " +
+                           _("Startup times are instant because it operates in conjunction with high-performance "
+                              "servers that handle the most complicated parts of the Bitcoin system.") + "\n\n" +
+                           _("Uses icons from the Icons8 icon pack (icons8.com).")))
 
     def show_report_bug(self):
         msg = ' '.join([