diff --git a/docs/_layouts/default.html b/docs/_layouts/default.html
index 160afe0c0..8026e9be3 100644
--- a/docs/_layouts/default.html
+++ b/docs/_layouts/default.html
@@ -40,6 +40,78 @@ layout: table_wrappers
+
+ Survey contribution
+
+
+
+
@@ -116,6 +188,10 @@ layout: table_wrappers
{% endif %}
{% endunless %}
+
{% if site.heading_anchors != false %}
{% include vendor/anchor_headings.html html=content beforeHeading="true" anchorBody="" anchorClass="anchor-heading" anchorAttrs="aria-labelledby=\"%html_id%\"" %}