diff --git a/src/oncall/ui/static/js/oncall.js b/src/oncall/ui/static/js/oncall.js
index ccd01ed..40ba15c 100644
--- a/src/oncall/ui/static/js/oncall.js
+++ b/src/oncall/ui/static/js/oncall.js
@@ -945,7 +945,14 @@ var oncall = {
           $('<li />')
           .append('<label class="label-col">Slack</label>')
           .append('<span class="data-col">' + userData.contacts.slack + '</span>')
-        )
+        );
+        if (evt.schedule_id) {
+          $ul.append(
+            $('<li />')
+            .append('<label class="label-col">Note</label>')
+            .append('<span class="data-col">This event is auto generated by the scheduler</span>')
+          );
+        }
       },
       setupEscalateModal: function(){
         var $modal = $(this.data.escalateModal),