fix date

theme/templates/page.html

@@ -4,7 +4,7 @@
 <header>
     <div id="top"></div>
     <div class="headers">
-        <h1>Hacken Open Air 2::21</h1>
+        <h1>Hacken Open Air 2::23</h1>
     </div>
 </header>
 <aside>
@@ -36,7 +36,7 @@
 <div class="main">
     <article>
         <div align="center">
-            <h3>09.09. - 12.09.2021 in Gifhorn</h3>
+            <h3>22.08. - 26.08.2023 in Gifhorn</h3>
             <img id="specht" src="/static/img/specht.svg" alt="logo">
         </div>
         {{ content.content_body }}