diff --git a/index.html b/index.html
index ecf42f2..b3e68e1 100644
--- a/index.html
+++ b/index.html
@@ -14,6 +14,9 @@
             <span class="hashtag">#111bibliocon</span>
             <span class="hashtag">#bibliocon</span>
         </span>
+        <span class="navbar-info mb-0 h3">
+          <span class="hashtag">Mastowall V0.1 - written by ChatGPT4 - Prompting: Ralf Stockmann (rstockm)</span>
+        </span>
     </nav>
     <div id="wall" class="row masonry-grid"></div>