diff --git a/aio/content/guide/elements.md b/aio/content/guide/elements.md
index 5ae8abb2cd..e751fa7cb6 100644
--- a/aio/content/guide/elements.md
+++ b/aio/content/guide/elements.md
@@ -103,7 +103,7 @@ The recently-developed [custom elements](https://developer.mozilla.org/en-US/doc
 </tr>
 <tr>
   <td>Firefox</td>
-  <td>Supported natively as of version 63. In older versions: Set the <code>dom.webcomponents.enabled</code> and <code>dom.webcomponents.customelements.enabled</code> preferences to true.</td>
+  <td>Supported natively.</td>
 </tr>
 <tr>
   <td>Edge</td>