diff --git a/docs/en-US/component/message-box.md b/docs/en-US/component/message-box.md
index 989d317b0c..b1e31f6d77 100644
--- a/docs/en-US/component/message-box.md
+++ b/docs/en-US/component/message-box.md
@@ -151,7 +151,7 @@ The corresponding methods are: `ElMessageBox`, `ElMessageBox.alert`, `ElMessageB
 | icon                         | custom icon component, overrides `type`                                                                                                  | string / Component                                                                                                                                                                                                              | —                                | —                                                |
 | custom-class                 | custom class name for MessageBox                                                                                                         | string                                                                                                                                                                                                                          | —                                | —                                                |
 | custom-style                 | custom inline style for MessageBox                                                                                                       | CSSProperties                                                                                                                                                                                                                   | —                                | —                                                |
-| callback                     | MessageBox closing callback if you don't prefer Promise                                                                                  | function(action), where action can be 'confirm', 'cancel' or 'close', and `instance` is the MessageBox instance. You can access to that instance's attributes and methods                                                       | —                                | —                                                |
+| callback                     | MessageBox closing callback if you don't prefer Promise                                                                                  | function(action, instance), where `action` can be 'confirm', 'cancel' or 'close', and `instance` is the MessageBox instance. You can access to that instance's attributes and methods                                           | —                                | —                                                |
 | showClose                    | whether to show close icon of MessageBox                                                                                                 | boolean                                                                                                                                                                                                                         | —                                | true                                             |
 | before-close                 | callback before MessageBox closes, and it will prevent MessageBox from closing                                                           | function(action, instance, done), where `action` can be 'confirm', 'cancel' or 'close'; `instance` is the MessageBox instance, and you can access to that instance's attributes and methods; `done` is for closing the instance | —                                | —                                                |
 | distinguish-cancel-and-close | whether to distinguish canceling and closing the MessageBox                                                                              | boolean                                                                                                                                                                                                                         | —                                | false                                            |