diff --git a/données_en_table/README.md b/données_en_table/README.md
index f5ec5ec..0d5a03d 100644
--- a/données_en_table/README.md
+++ b/données_en_table/README.md
@@ -79,12 +79,13 @@ Chaque ligne est un ***enregistrement***. La première ligne définit les ***att
 
 ```
 <details>
-<summary>Title</summary>
-Hidden Content
+  <summary markdown="span">This is the summary text, click me to expand</summary>
+
+  This is the detailed text.
+
+  We can still use markdown, but we need to take the additional step of using the `parse_block_html` option as described in the [Mix HTML + Markdown Markup section](#mix-html--markdown-markup).
+
+  You can learn more about expected usage of this approach in the [GitLab UI docs](https://gitlab-org.gitlab.io/gitlab-ui/?path=/story/base-collapse--default) though the solution we use above is specific to usage in markdown.
 </details>
 ```
 
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