diff --git a/core-header-panel.html b/core-header-panel.html
index 674e0da..a48605c 100644
--- a/core-header-panel.html
+++ b/core-header-panel.html
@@ -184,6 +184,9 @@
     
     /**
      * Returns the scrollable element.
+     *
+     * @property scroller
+     * @type Object
      */
     get scroller() {
       return this.mode === 'scroll' ?