diff --git a/index.html b/index.html
index 5671735..4a0f112 100644
--- a/index.html
+++ b/index.html
@@ -464,7 +464,7 @@
         href="https://www.w3.org/2003/03/Translations/byTechnology?technology=https://www.w3.org/TR/activitystreams-vocabulary/">译本</a>。
     </p>
     <p class="copyright">
-      <a href="https://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> © 2017行为流Working
+      <a href="https://www.w3.org/Consortium/Legal/ipr-notice#Copyright">Copyright</a> © 2017 Activity Streams Working
       Group,IBM &amp;
       <a href="https://www.w3.org/"><abbr title="World Wide Web Consortium">W3C</abbr></a><sup>®</sup> (<a
         href="https://www.csail.mit.edu/"><abbr title="Massachusetts Institute of Technology">MIT</abbr></a>,