diff --git a/challenges/01-front-end-development-certification/html5-and-css.json b/challenges/01-front-end-development-certification/html5-and-css.json
index bbb5b9f7c0..a56c0c4caa 100644
--- a/challenges/01-front-end-development-certification/html5-and-css.json
+++ b/challenges/01-front-end-development-certification/html5-and-css.json
@@ -25,7 +25,7 @@
       ],
       "tests": [
         {
-          "text": "Your <code>h1</code> element should have the text \"Hello World\".');",
+          "text": "Your <code>h1</code> element should have the text \"Hello World\".",
           "testString": "assert.isTrue((/hello(\\s)+world/gi).test($('h1').text()), 'Your <code>h1</code> element should have the text \"Hello World\".');"
         }
       ],