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 5baa909e72..2c690d56d8 100644
--- a/challenges/01-front-end-development-certification/html5-and-css.json
+++ b/challenges/01-front-end-development-certification/html5-and-css.json
@@ -1637,7 +1637,8 @@
       ],
       "tests": [
         "assert($(\"input[placeholder]\").length > 0, 'message: Add a <code>placeholder</code> attribute text <code>input</code> element.');",
-        "assert($(\"input\") && $(\"input\").attr(\"placeholder\") && $(\"input\").attr(\"placeholder\").match(/cat\\s+photo\\s+URL/gi), 'message: Set the value of your placeholder attribute to \"cat photo URL\".');"
+        "assert($(\"input\") && $(\"input\").attr(\"placeholder\") && $(\"input\").attr(\"placeholder\").match(/cat\\s+photo\\s+URL/gi), 'message: Set the value of your placeholder attribute to \"cat photo URL\".');",
+        "assert($(\"input[type=text]\").length > 0 && code.match(/URL\\s*[\"\\']\\s*\\/?>/gi), 'message: The finished <code>input</code> element should have valid syntax.');"
       ],
       "challengeType": 0,
       "nameEs": "Agrega un texto de relleno a un campo de texto",