Correct portals.rst

apparently this contradicting sentence got overlooked in b18084c

docs/portals.rst

@@ -31,6 +31,5 @@ hints for what Qt or KDE applications should do to benefit from this.
 - Use ``QDesktopServices::openUrl(const QUrl &url)`` or ``KIO::OpenUrlJob`` to
   open URIs or send an email when using ``mailto`` URL
 - Use ``QFileDialog`` class to open files and, as of Qt ``5.18.90``, directories. Avoid using
-  ``QFileDialog::DontUseNativeDialog``. Note that portals cannot currently
-  give access to directories on the host filesystem
+  ``QFileDialog::DontUseNativeDialog``.
 - Use ``KNotification::notify()`` to show notification