diff --git a/core/test/unit/services/rss/generate-feed_spec.js b/core/test/unit/services/rss/generate-feed_spec.js
index b4ffa4ff07..70a368862b 100644
--- a/core/test/unit/services/rss/generate-feed_spec.js
+++ b/core/test/unit/services/rss/generate-feed_spec.js
@@ -123,7 +123,7 @@ describe('RSS: Generate Feed', function () {
             // item tags
             xmlData.should.match(/<title><!\[CDATA\[Short and Sweet\]\]>/);
             xmlData.should.match(/<description><!\[CDATA\[test stuff/);
-            xmlData.should.match(/<content:encoded><!\[CDATA\[<h2 id="testing">testing<\/h2>\n/);
+            xmlData.should.match(/<content:encoded><!\[CDATA\[<!--kg-card-begin: markdown--><h2 id="testing">testing<\/h2>\n/);
             xmlData.should.match(/<img src="http:\/\/placekitten.com\/500\/200"/);
             xmlData.should.match(/<media:content url="http:\/\/placekitten.com\/500\/200" medium="image"\/>/);
             xmlData.should.match(/<category><!\[CDATA\[public\]\]/);
@@ -142,7 +142,7 @@ describe('RSS: Generate Feed', function () {
             // special/optional tags
             xmlData.should.match(/<title><!\[CDATA\[Short and Sweet\]\]>/);
             xmlData.should.match(/<description><!\[CDATA\[test stuff/);
-            xmlData.should.match(/<content:encoded><!\[CDATA\[<h2 id="testing">testing<\/h2>\n/);
+            xmlData.should.match(/<content:encoded><!\[CDATA\[<!--kg-card-begin: markdown--><h2 id="testing">testing<\/h2>\n/);
             xmlData.should.match(/<img src="http:\/\/placekitten.com\/500\/200"/);
             xmlData.should.match(/<media:content url="http:\/\/placekitten.com\/500\/200" medium="image"\/>/);
             xmlData.should.not.match(/<dc:creator>/);
@@ -160,7 +160,7 @@ describe('RSS: Generate Feed', function () {
             // special/optional tags
             xmlData.should.match(/<title><!\[CDATA\[Short and Sweet\]\]>/);
             xmlData.should.match(/<description><!\[CDATA\[test stuff/);
-            xmlData.should.match(/<content:encoded><!\[CDATA\[<h2 id="testing">testing<\/h2>\n/);
+            xmlData.should.match(/<content:encoded><!\[CDATA\[<!--kg-card-begin: markdown--><h2 id="testing">testing<\/h2>\n/);
             xmlData.should.match(/<img src="http:\/\/placekitten.com\/500\/200"/);
             xmlData.should.match(/<media:content url="http:\/\/placekitten.com\/500\/200" medium="image"\/>/);