diff --git a/seed/challenges/01-front-end-development-certification/html5-and-css.json b/seed/challenges/01-front-end-development-certification/html5-and-css.json
index 7368a9ed8d..0f8bfdec44 100644
--- a/seed/challenges/01-front-end-development-certification/html5-and-css.json
+++ b/seed/challenges/01-front-end-development-certification/html5-and-css.json
@@ -4532,7 +4532,7 @@
         "</style>"
       ],
       "tests": [
-        "assert($(\"body\").css(\"background-color\") === \"rgb(0, 0, 0)\", 'message: Your <code>body</code> element should have an black background.');",
+        "assert($(\"body\").css(\"background-color\") === \"rgb(0, 0, 0)\", 'message: Your <code>body</code> element should have a black background.');",
         "assert(code.match(/rgb\\s*\\(\\s*0\\s*,\\s*0\\s*,\\s*0\\s*\\)/ig), 'message: Use <code>rgb</code> to give your <code>body</code> element a color of black. For example <code>body { background-color&#58; rgb&#40;255&#44; 165&#44; 0&#41;; }</code>');"
       ],
       "descriptionPtBR": [