diff --git a/testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.tentative.html b/testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.html
similarity index 95%
rename from testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.tentative.html
rename to testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.html
index 8997a59e9c182..d0f0f828b03ea 100644
--- a/testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.tentative.html
+++ b/testing/web-platform/tests/css/cssom/CSSStyleSheet-constructable-baseURL.html
@@ -1,7 +1,7 @@
 <!DOCTYPE html>
 <title>CSSStyleSheet baseURL</title>
 <link rel="author" title="Erik Nordin" href="mailto:enordin@mozilla.com">
-<link rel="help" href="https://github.com/WICG/construct-stylesheets/issues/95#issuecomment-593545252">
+<link rel="help" href="https://drafts.csswg.org/cssom-1/#dom-cssstylesheetinit-baseurl">
 <div id="target"></div>
 <script src='/resources/testharness.js'></script>
 <script src='/resources/testharnessreport.js'></script>
