diff --git a/doc/helper_doc_template.md b/doc/helper_doc_template.md
index 66c53da06..53bec79fc 100644
--- a/doc/helper_doc_template.md
+++ b/doc/helper_doc_template.md
@@ -21,7 +21,7 @@ Doc auto-generated by [this script](https://github.com/YunoHost/yunohost/blob/{{
         {% for h in helpers %}
 #### {{ h.name }}
 
-<details> <summary><i>{{ h.brief }}</i></summary>
+[details summary="<i>{{ h.brief }}</i>" class="helper-card-subtitle text-muted"]
 
 **Usage**: `{{ h.usage }}`
 {%- if h.args %}
@@ -60,7 +60,7 @@ Doc auto-generated by [this script](https://github.com/YunoHost/yunohost/blob/{{
 {{ h.details }}
 {%- endif %}
 [Dude, show me the code!](https://github.com/YunoHost/yunohost/blob/{{ current_commit }}/helpers/helpers.v{{ helpers_version if helpers_version != "2" else "1" }}.d/{{ subsection }}#L{{ h.line + 1 }})
-</details>
+[/details]
         {% endfor %}
 ---
     {% endfor %}