diff --git a/core-focusable.js b/core-focusable.js
index 6633b5f..705065f 100644
--- a/core-focusable.js
+++ b/core-focusable.js
@@ -5,7 +5,7 @@
  * Elements using this mixin will receive attributes reflecting the focus, pressed
  * and disabled states.
  *
- * @element Polymer.CoreFocusable
+ * @mixin Polymer.CoreFocusable
  * @status unstable
  */