diff --git a/challenges/01-responsive-web-design/applied-accessibility.json b/challenges/01-responsive-web-design/applied-accessibility.json
index 5930defdca..7bb3019881 100644
--- a/challenges/01-responsive-web-design/applied-accessibility.json
+++ b/challenges/01-responsive-web-design/applied-accessibility.json
@@ -521,7 +521,7 @@
"text":
"Make sure your audio
element has a closing tag.",
"testString":
- "assert(code.match(/<\\/audio>/g) && code.match(/