diff --git a/files/en-us/web/api/web_components/using_custom_elements/index.md b/files/en-us/web/api/web_components/using_custom_elements/index.md
index 74e42ae35cffeed..ebfaa9b5cb8ebd6 100644
--- a/files/en-us/web/api/web_components/using_custom_elements/index.md
+++ b/files/en-us/web/api/web_components/using_custom_elements/index.md
@@ -17,7 +17,7 @@ There are two types of custom element:
 - **Customized built-in elements** inherit from standard HTML elements such as {{domxref("HTMLImageElement")}} or {{domxref("HTMLParagraphElement")}}. Their implementation extends the behavior of select instances of the standard element.
 
   > [!NOTE]
-  > Please see the [`is`](/en-US/docs/Web/HTML/Global_attributes/is) attribute reference for caveats on implementation reality of custom built-in elements.
+  > Safari does not plan to support custom built-in elements. See the [`is` attribute](/en-US/docs/Web/HTML/Global_attributes/is) for more information.
 
 - **Autonomous custom elements** inherit from the HTML element base class {{domxref("HTMLElement")}}. You have to implement their behavior from scratch.