diff --git a/seed/challenges/01-front-end-development-certification/advanced-bonfires.json b/seed/challenges/01-front-end-development-certification/advanced-bonfires.json
index 02b85cb8102..e179cfa54a7 100644
--- a/seed/challenges/01-front-end-development-certification/advanced-bonfires.json
+++ b/seed/challenges/01-front-end-development-certification/advanced-bonfires.json
@@ -364,7 +364,7 @@
         "assert.deepEqual(makeFriendlyDates(['2016-12-01', '2018-02-03']), ['December 1st, 2016','February 3rd, 2018'], 'message: <code>makeFriendlyDates([\"2016-12-01\", \"2018-02-03\"])</code> should return <code>[\"December 1st, 2016\",\"February 3rd, 2018\"]</code>.');",
         "assert.deepEqual(makeFriendlyDates(['2017-03-01', '2017-05-05']), ['March 1st, 2017','May 5th'], 'message: <code>makeFriendlyDates([\"2017-03-01\", \"2017-05-05\"])</code> should return <code>[\"March 1st, 2017\",\"May 5th\"]</code>');",
         "assert.deepEqual(makeFriendlyDates(['2018-01-13', '2018-01-13']), ['January 13th, 2018'], 'message: <code>makeFriendlyDates([\"2018-01-13\", \"2018-01-13\"])</code> should return <code>[\"January 13th, 2018\"]</code>.');",
-        "assert.deepEqual(makeFriendlyDates(['2022-09-05', '2023-09-04']), ['September 5th, 2022','September 4th'], 'message: <code>makeFriendlyDates([\"2022-09-05\", \"2023-09-04\"])</code> should return <code>[\"September 5th, 2022\",\"September 4th\"]</code>.');",
+        "assert.deepEqual(makeFriendlyDates(['2022-09-22', '2023-09-21']), ['September 22nd, 2022','September 21st'], 'message: <code>makeFriendlyDates([\"2022-09-22\", \"2023-09-21\"])</code> should return <code>[\"September 22nd, 2022\",\"September 21st\"]</code>.');",
         "assert.deepEqual(makeFriendlyDates(['2022-09-05', '2023-09-05']), ['September 5th, 2022','September 5th, 2023'], 'message: <code>makeFriendlyDates([\"2022-09-05\", \"2023-09-05\"])</code> should return <code>[\"September 5th, 2022\",\"September 5th, 2023\"]</code>.');"
       ],
       "type": "bonfire",