Index: lib/Padre/Wx/Dialog/Preferences.pm
===================================================================
--- lib/Padre/Wx/Dialog/Preferences.pm	(revision 14018)
+++ lib/Padre/Wx/Dialog/Preferences.pm	(working copy)
@@ -250,6 +250,10 @@
 	my $highlighter_selection = $self->get_widget('highlighters')->GetSelection;
 	my $highlighter           = $highlighters->[$highlighter_selection];
 
+	$self->{_highlighters_}{$mime_type_name} = $highlighter;
+
+        $self->get_widget('description')->SetLabel( Padre::MimeTypes->get_highlighter_explanation($highlighter) );
+        $self->get_widget('mime_type_name')->SetLabel( $mime_types->[$mime_type_selection] );
 }