Fix typo

src/cantor_part.cpp

@@ -359,7 +359,7 @@ CantorPart::CantorPart( QWidget *parentWidget, QObject *parent, const QVariantLi
     collection->addAction(QLatin1String("backend_help"), m_showBackendHelp);
     connect(m_showBackendHelp, &QAction::triggered, this, &CantorPart::showBackendHelp);
 
-    // Do not display "Show Backend Help" action for Maxima, since we are shwing it's integrated documentation
+    // Do not display "Show Backend Help" action for Maxima, since we are showing it's integrated documentation
     if(backend->name() == QLatin1String("Maxima"))
         m_showBackendHelp->setVisible(false);