diff --git a/index.json b/index.json
index c71040d..489adbc 100644
--- a/index.json
+++ b/index.json
@@ -384,6 +384,7 @@
   {
     "slug": "ef61",
     "authors": "silverpill <@silverpill@mitra.social>",
+    "type": "implementation",
     "status": "DRAFT",
     "dateReceived": "2023-12-06",
     "trackingIssue": "https://codeberg.org/fediverse/fep/issues/209",