diff --git a/packages/forms/docs/03-fields.md b/packages/forms/docs/03-fields.md
index d67e2e8421..5cb8979058 100644
--- a/packages/forms/docs/03-fields.md
+++ b/packages/forms/docs/03-fields.md
@@ -1386,6 +1386,7 @@ RichEditor::make('content')
         'orderedList',
         'redo',
         'strike',
+        'underline',
         'undo',
     ])
 RichEditor::make('content')