diff --git a/challenges/html5-and-css.json b/challenges/html5-and-css.json
index 4cf534a258..e99acf7840 100644
--- a/challenges/html5-and-css.json
+++ b/challenges/html5-and-css.json
@@ -156,7 +156,7 @@
"assert($(\"h1\").length > 0, 'message: Make your h1 element visible on your page by uncommenting it.');",
"assert($(\"h2\").length > 0, 'message: Make your h2 element visible on your page by uncommenting it.');",
"assert($(\"p\").length > 0, 'message: Make your p element visible on your page by uncommenting it.');",
- "assert(!new RegExp(\"-->\", 'message: gi').test(editor), 'Be sure to delete all trailing comment tags, i.e. -->.');"
+ "assert(!new RegExp(\"-->\", \"gi\").test(code), 'message: Be sure to delete all trailing comment tags, i.e. -->.');"
],
"challengeSeed": [
"\", \"gi\").test(editor), 'message: Be sure to close your comment by adding -->.');"
+ "assert(new RegExp(\"\", \"gi\").test(code), 'message: Be sure to close your comment by adding -->.');"
],
"challengeSeed": [
"",