diff --git a/lib/petal_components/field.ex b/lib/petal_components/field.ex
index 1305959..24ecf11 100644
--- a/lib/petal_components/field.ex
+++ b/lib/petal_components/field.ex
@@ -39,7 +39,7 @@ defmodule PetalComponents.Field do
   attr :size, :string,
     default: "md",
     values: ~w(xs sm md lg xl),
-    doc: "the size of the switch or radio card"
+    doc: "the size of the switch (xs, sm, md, lg or xl) or radio card (sm, md or lg)"
 
   attr :variant, :any, default: "outline", doc: "outline, classic - used by radio-card"
 
@@ -321,7 +321,6 @@ defmodule PetalComponents.Field do
     assigns =
       assigns
       |> assign_new(:checked, fn -> nil end)
-      |> assign_new(:class, fn -> "" end)
       |> assign_new(:options, fn -> [] end)
       |> assign_new(:group_layout, fn -> "row" end)
       |> assign_new(:id_prefix, fn -> assigns.id || assigns.name || "radio_card" end)
diff --git a/test/petal/field_test.exs b/test/petal/field_test.exs
index fba74f4..68bdf27 100644
--- a/test/petal/field_test.exs
+++ b/test/petal/field_test.exs
@@ -531,6 +531,19 @@ defmodule PetalComponents.FieldTest do
     assert html =~ "custom-class"
   end
 
+  test "field radio-card group_layout attr" do
+    assigns = %{form: to_form(%{}, as: :user)}
+
+    html =
+      rendered_to_string(~H"""
+      <.form for={@form}>
+        <.field type="radio-card" field={@form[:plans]} />
+      </.form>
+      """)
+
+    assert html =~ "pc-radio-card-group--row"
+  end
+
   test "field radio-card checked on form field" do
     assigns = %{form: to_form(%{"plans" => "pro"}, as: :user)}