diff --git a/README.md b/README.md
index a72de00..4af0cc9 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ The plugin comes with the following options:
 - `position`: Position where the notification will be shown. The default is `top-right`, so if you want it to be on the top-left just add `top-left` to this option. The available options are: `top-left`, `top-center`, `top-right`, `center`, `bottom-left`, `bottom-center`, and `bottom-right`.
 - `dismissible`: Whether the notification will have a close button or not. Default is `false`.
 - `pauseOnHover`: Pauses delay when hovering the notification. Default is `false`.
+- `single`: Only show a single toast in `appendTo`. Default is `false`.
 - `closeOnClick`: Dismisses the notification when clicked. Default is `true`.
 - `opacity`: The notification's container opacity. Default is `1`.
 - `animate`: [See here](#animate). Default is no animations.
diff --git a/index.d.ts b/index.d.ts
index 9aadc22..50cd92f 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -12,6 +12,7 @@ export interface Options {
   dismissible?: boolean;
   pauseOnHover?: boolean;
   closeOnClick?: boolean;
+  single?: boolean;
   opacity?: number;
   animate?: ToastAnimation;
   appendTo?: Node;