diff --git a/app/templates/public/about.php b/app/templates/public/about.php
index 753e843..aea4aa6 100644
--- a/app/templates/public/about.php
+++ b/app/templates/public/about.php
@@ -35,7 +35,7 @@ function renderEntries(array $entries): string
 
     <!-- Table of contents: collapsible on mobile, force-open on desktop -->
     <?php if (!empty($tocItems)): ?>
-    <details class="toc">
+    <details class="toc" open>
         <summary><?= icon('caret-down', 0, 'toc-caret') ?> PARTIES</summary>
         <ul class="toc-list">
             <?php foreach ($tocItems as $item): ?>
diff --git a/app/templates/public/charte.php b/app/templates/public/charte.php
index 25daff5..0b5f3d4 100644
--- a/app/templates/public/charte.php
+++ b/app/templates/public/charte.php
@@ -2,7 +2,7 @@
 
     <!-- Table of contents: collapsible on mobile, force-open on desktop -->
     <?php if (!empty($tocItems)): ?>
-    <details class="toc">
+    <details class="toc" open>
         <summary><?= icon('caret-down', 0, 'toc-caret') ?> PARTIES</summary>
         <ul class="toc-list">
             <?php foreach ($tocItems as $item): ?>