Edited copyright.html with Atlas code editor

Author: chris-faucher

copyright.html

@@ -25,7 +25,9 @@ <h1>Test-Driven Development with Python</h1>
 <!--Add additional printedition spans below as needed.-->
 
 <ul class="printings">
-	<li><span class="printedition">May 2024:</span> Third Edition</li>
+	<li><span class="printedition">June 2014:</span> First Edition</li>
+	<li><span class="printedition">August 2017:</span> Second Edition</li>
+	<li><span class="printedition">June 2025:</span> Third Edition</li>
 </ul>
 <!--Add additional revdate spans below as needed.-->
 
@@ -36,6 +38,7 @@ <h1 class="revisions">Revision History for the Early Release</h1>
 	<li><span class="revdate">2023-07-19:</span> First Release</li>
 	<li><span class="revdate">2023-10-20:</span> Second Release</li>
 	<li><span class="revdate">2024-03-12:</span> Third Release</li>
+	<li><span class="revdate">2024-05-16:</span> Fourth Release</li>
 </ul>
 </div>