diff --git a/docs/crud/configuration.md b/docs/crud/configuration.md
index d468dd8..32f981e 100644
--- a/docs/crud/configuration.md
+++ b/docs/crud/configuration.md
@@ -209,10 +209,14 @@ $configuration->setField('index', 'My field', TextField::class, [
 
 `App\Core\Crud\Field\BooleanField`
 
-| Option    | Type     | Default                                    | Description                             |
-| ------    | ----     | -------                                    | -----------                             |
-| `view`    | `string` | `@Core/admin/crud/field/boolean.html.twig` | The templated rendered                  |
-| `display` | `string` | `toggle`                                   | Type of render (`toggle` or `checkbox`) |
+| Option                      | Type     | Default                                    | Description                                                          |
+| ------                      | ----     | -------                                    | -----------                                                          |
+| `view`                      | `string` | `@Core/admin/crud/field/boolean.html.twig` | The templated rendered                                               |
+| `display`                   | `string` | `toggle`                                   | Type of render (`toggle` or `checkbox`)                              |
+| `checkbox_class_when_true`  | `string` | `fa-check-square`                          | HTML class added when the value is `true` and display is `checkbox`  |
+| `checkbox_class_when_false` | `string` | `fa-square`                                | HTML class added when the value is `false` and display is `checkbox` |
+| `toggle_class_when_true`    | `string` | `bg-success`                               | HTML class added when the value is `true` and display is `toggle`    |
+| `toggle_class_when_false`   | `string` | `bg-secondary`                             | HTML class added when the value is `false` and display is `toggle`   |
 
 ## setMaxPerPage