diff --git a/curriculum/challenges/english/01-responsive-web-design/basic-html-and-html5/link-to-external-pages-with-anchor-elements.md b/curriculum/challenges/english/01-responsive-web-design/basic-html-and-html5/link-to-external-pages-with-anchor-elements.md
index dff73e7e57..eeeb1d916a 100644
--- a/curriculum/challenges/english/01-responsive-web-design/basic-html-and-html5/link-to-external-pages-with-anchor-elements.md
+++ b/curriculum/challenges/english/01-responsive-web-design/basic-html-and-html5/link-to-external-pages-with-anchor-elements.md
@@ -32,7 +32,7 @@ assert(/cat photos/gi.test($('a').text()));
 You need an `a` element that links to `https://freecatphotoapp.com`
 
 ```js
-assert(/https:\/\/(www\.)?freecatphotoapp\.com/gi.test($('a').attr('href')));
+assert(/^https?:\/\/freecatphotoapp\.com\/?$/i.test($('a').attr('href')));
 ```
 
 Your `a` element should have a closing tag.