diff --git a/guix-data-service/web/view/html.scm b/guix-data-service/web/view/html.scm
index 1044a03..39f2101 100644
--- a/guix-data-service/web/view/html.scm
+++ b/guix-data-service/web/view/html.scm
@@ -270,6 +270,9 @@
 
 (define (index git-repositories-and-revisions)
   (layout
+   #:description
+   "The Guix Data Service processes, stores and provides data about Guix over
+time."
    #:body
    `(,(header)
      (div