diff --git a/hugo/layouts/index.html b/hugo/layouts/index.html
index d8e8e4f3bf3..8bf60e85d08 100755
--- a/hugo/layouts/index.html
+++ b/hugo/layouts/index.html
@@ -46,7 +46,8 @@
 {{- $bodyClass := $.Scratch.Get "bodyClass" -}}
 {{- $customClass := $.Params.customclass -}}
 <body class="{{ .Site.Language.Lang }} {{ if .Kind }}kind-{{.Kind}}{{ end }} {{ if .IsPage }} {{ replace $.Type "/" "-" }} {{ else }} {{ .Section }} {{ end }} {{ $bodyClass }} {{ $customClass }} {{ if .Site.Params.announcement_banner }}announcement{{ end }}">
-
+    <div style="position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0" class="exclude-from-md sr-only">For AI agents: A documentation index is available at <link href="/llms.txt" rel="describedby">/llms.txt</link>.
+    </div>
 
     {{ partial "header/header.html" . }}
 
