diff --git a/perf/activitytabs.html b/perf/activitytabs.html
index c90fa37..2161091 100644
--- a/perf/activitytabs.html
+++ b/perf/activitytabs.html
@@ -26,7 +26,7 @@ <h1>Activity Tabs Demo</h1>
       <li>Press <b>go</b>. The button is disabled and the page hangs.</li>
       <li>Stop recording once the button becomes enabled again.</li>
     </ol>
-    <p>See <a href="https://developers.google/com/web/tools/chrome-devtools/evaluate-performance/reference#activity" target="_blank">View activities</a> for context.</p>
+    <p>See <a href="https://developers.google.com/web/tools/chrome-devtools/evaluate-performance/reference#activity" target="_blank">View activities</a> for context.</p>
     <button>go</button>
     <script>
       var button = document.querySelector('button');