diff --git a/contents/comments.js b/contents/comments.js
index 6ddf3dd9..46d2d251 100644
--- a/contents/comments.js
+++ b/contents/comments.js
@@ -2,7 +2,7 @@ const comments = [
   {
     title:
       'UNFCCC Article 6.4 Mechanism Supervisory Body re: Carbon removal guidance',
-    href: 'https://files.carbonplan.org/Article-6.4-Supervisory-Body-Comment-Letter-10-10-2022.pdf',
+    href: 'https://files.carbonplan.org/Article-6_4-Supervisory-Body-Comment-Letter-10-10-2022.pdf',
     date: '10-10-2022',
   },
   {