diff --git a/posts/details.md b/posts/details.md
index 1784402d..1402786a 100644
--- a/posts/details.md
+++ b/posts/details.md
@@ -1,7 +1,10 @@
-feature: <details>
+feature: &lt;details> & &lt;summary>
 status: use
 tags: polyfill
 kind: html
-polyfillurls: [Details](http://mathiasbynens.be/notes/html5-details-jquery), [jquery-details](https://github.com/mathiasbynens/jquery-details)
+moreurl: https://css-tricks.com/quick-reminder-that-details-summary-is-the-easiest-way-ever-to-make-an-accordion/
+polyfillurls: [`<details>` polyfill](https://github.com/javan/details-element-polyfill)
 
-Use the details element if you intend to show a summary which, when clicked, reveals detailed information. Without any fallback, non-supporting browsers will fall back to displaying the element in the opened state.
+Use the `<details>` (and optionally the `<summary>`) element if you intend to show a summary which, when clicked, reveals detailed information. Currently not supported in any version of [Internet Explorer or Edge](https://caniuse.com/#feat=details).
+
+Without polyfill, non-supporting browsers will fall back to displaying the element in the opened state.