change subtitle

main.py

@@ -387,10 +387,10 @@ def start_frontend(retriever: Retriever, analyzer_type: str, coding_llm, retriev
                 <div id="title-area">
                     <div class="title-big">
                         <div class="title-big-name">OGD4ALL</div>
-                        <div class="title-big-sub">Accessible Retrieval &amp; Analysis of Geospatial Open Government Data</div>
+                        <div class="title-big-sub">Zürich Edition</div>
                     </div>
                     <div class="title-small">
-                        <h1><b>OGD4All</b>: Accessible Retrieval &amp; Analysis of Geospatial Open Government Data</h1>
+                        <h1><b>OGD4All</b>: Zürich Edition</h1>
                     </div>
                 </div>
                 """)