diff --git a/2023/png-2023.html b/2023/png-2023.html
index 886f3dfd..b30d3f30 100644
--- a/2023/png-2023.html
+++ b/2023/png-2023.html
@@ -216,7 +216,7 @@ <h3>
                 <a href='https://www.w3.org/Graphics/PNG/png-2021.html'>https://www.w3.org/Graphics/PNG/png-2021.html</a></p>
             </dd>
 
-            <dt  class='spec'>Portable Network Graphics (PNG) Specification (Fourth Edition</dt>
+            <dt  class='spec'>Portable Network Graphics (PNG) Specification (Fourth Edition)</dt>
             <dd>
               <p><b>Latest publication:</b> <i>no draft</i></p>
             </dd>