diff --git a/tests/html/about-mozilla.html b/tests/html/about-mozilla.html
index b392ddcad61..29540913bc8 100644
--- a/tests/html/about-mozilla.html
+++ b/tests/html/about-mozilla.html
@@ -40,7 +40,7 @@ a {
 Mammon slept. And the <em>beast reborn</em> spread over the earth and its numbers
 grew legion. And they proclaimed the times and <em>sacrificed</em> crops unto the
 fire, with the <em>cunning of foxes</em>. And they built a new world in their own
-image as promised by the <em><a href="http://www.mozilla.org/about/mozilla-manifesto.html">
+image as promised by the <em><a href="https://www.mozilla.org/en-US/about/manifesto/">
 sacred words</a></em>, and <em><a href="http://wiki.mozilla.org/About:mozilla">spoke
 </a></em> of the beast with their children. Mammon awoke, and lo! it was
 <em>naught</em> but a follower.