diff --git a/components/doc/common/apidoc/index.json b/components/doc/common/apidoc/index.json
index 1de4a3fb2f..96fba4c6a1 100644
--- a/components/doc/common/apidoc/index.json
+++ b/components/doc/common/apidoc/index.json
@@ -44884,12 +44884,19 @@
                             "type": "SidebarPassThroughType<HTMLAttributes<HTMLDivElement>>",
                             "description": "Uses to pass attributes to the header's DOM element."
                         },
+                        {
+                            "name": "closeButton",
+                            "optional": true,
+                            "readonly": false,
+                            "type": "SidebarPassThroughType<HTMLAttributes<HTMLButtonElement>>",
+                            "description": "Uses to pass attributes to the close button's DOM element."
+                        },
                         {
                             "name": "closeButtonIcon",
                             "optional": true,
                             "readonly": false,
                             "type": "SidebarPassThroughType<HTMLAttributes<HTMLSpanElement>>",
-                            "description": "Uses to pass attributes to the close button's DOM element."
+                            "description": "Uses to pass attributes to the close button icon's DOM element."
                         },
                         {
                             "name": "icons",
diff --git a/components/lib/sidebar/sidebar.d.ts b/components/lib/sidebar/sidebar.d.ts
index 2738e763d4..55c2ef5fd3 100644
--- a/components/lib/sidebar/sidebar.d.ts
+++ b/components/lib/sidebar/sidebar.d.ts
@@ -41,6 +41,10 @@ export interface SidebarPassThroughOptions {
     /**
      * Uses to pass attributes to the close button's DOM element.
      */
+    closeButton?: SidebarPassThroughType<React.HTMLAttributes<HTMLButtonElement>>;
+    /**
+     * Uses to pass attributes to the close button icon's DOM element.
+     */
     closeButtonIcon?: SidebarPassThroughType<React.HTMLAttributes<HTMLSpanElement>>;
     /**
      * Uses to pass attributes to the custom icons content's DOM element.