diff --git a/contrib/logo-color.html b/contrib/logo-color.html
index 84365a6..e5bfb71 100644
--- a/contrib/logo-color.html
+++ b/contrib/logo-color.html
@@ -56,4 +56,7 @@ a profile photo</a> for your Telegram bot.</p>
 
 <p><a href="../README.md">⬅️ Go back to main README</a><br/>
 <a href="#top">⬆️ Go back to top</a></p>
+
+<p class="foot">Copyright &copy; 2013-2025 Christian Hesse &lt;mail@eworm.de&gt;</p>
+
 </body></html>