diff --git a/copyright.html b/copyright.html
index ce785a4a..99817f06 100644
--- a/copyright.html
+++ b/copyright.html
@@ -32,7 +32,7 @@
 <h1 class="revisions">Revision History for the Second Edition</h1>
 
 <ul class="releases">
-	<li><span class="revdate">2017-05-19:</span> First Release</li>
+	<li><span class="revdate">2017-06-01:</span> First Release</li>
 </ul>
 </div>