diff --git a/ionic/components/alert/alert.ts b/ionic/components/alert/alert.ts
index 917af7a7b7..eb28ea7638 100644
--- a/ionic/components/alert/alert.ts
+++ b/ionic/components/alert/alert.ts
@@ -230,7 +230,7 @@ export class Alert extends ViewController {
    *  | placeHolder | `string`  | The input's placeholder (optional)                              |
    *  | value       | `string`  | The input's value (optional)                                    |
    *  | label       | `string`  | The input's label (optional)                                    |
-   *  | chacked     | `boolean` | Whether or not the input is checked or not (optional)           |
+   *  | checked     | `boolean` | Whether or not the input is checked or not (optional)           |
    *  | id          | `string`  | The input's id (optional)                                       |
    *
    *  Button options