diff --git a/tools/cldr-apps/js/src/esm/cldrVote.mjs b/tools/cldr-apps/js/src/esm/cldrVote.mjs
index ef2ec15014c..79a3778a471 100644
--- a/tools/cldr-apps/js/src/esm/cldrVote.mjs
+++ b/tools/cldr-apps/js/src/esm/cldrVote.mjs
@@ -342,6 +342,8 @@ function showProposedItem(inTd, tr, theRow, value, tests, json) {
       ];
     }
 
+    // TODO: modernize to obviate cldrSurvey.testsToHtml
+    // Reference: https://unicode-org.atlassian.net/browse/CLDR-18013
     const description = cldrSurvey.testsToHtml(tests);
     cldrNotify.openWithHtml("Response to voting", description);
     if (ourItem || (replaceErrors && value === "") /* Abstain */) {
diff --git a/tools/cldr-apps/js/src/views/NotificationPopup.vue b/tools/cldr-apps/js/src/views/NotificationPopup.vue
index 43dc2de4593..338346e94b8 100644
--- a/tools/cldr-apps/js/src/views/NotificationPopup.vue
+++ b/tools/cldr-apps/js/src/views/NotificationPopup.vue
@@ -5,6 +5,9 @@ const message = ref("");
 const description = ref("");
 const formIsVisible = ref(false);
 
+// TODO: modernize to obviate cldrSurvey.testsToHtml, v-html, and this entire file
+// Reference: https://unicode-org.atlassian.net/browse/CLDR-18013
+
 /**
  * Display a notification
  *