Fix typo

Author: sn4k3

Material.Icons.Avalonia/MaterialIconText.axaml.cs

@@ -101,7 +101,7 @@ protected override void OnApplyTemplate(TemplateAppliedEventArgs e) {
             var classes = Classes.Where(s => s.Length > 0 && s[0] != ':');
             var filteredClasses = classes as string[] ?? classes.ToArray();
             if (filteredClasses.Length > 0) {
-                // Redirect classses to the template parts
+                // Redirect classes to the template parts
                 var icon = e.NameScope.Get<MaterialIcon>("PART_Icon");
                 var textBlock = e.NameScope.Get<TextBlock>("PART_TextBlock");
                 var selectableTextBlock = e.NameScope.Get<SelectableTextBlock>("PART_SelectableTextBlock");