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index f3ae536..9924097 100644
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@@ -12,7 +12,7 @@
       <h1 id="main">Klankschool</h1>
       <p><img class="home-img" src="equipment.jpg"></p>
       <p> Klankschool is an emerging community operating a space in the south of Rotterdam. Each member is a teacher, student, musician, janitor and more. The purpose of the space is to share sounds, work on projects, hang out, exhibit works, learn, teach, listen. See the calendar for upcoming and past events. </p>
-      <p><a href="https://calendar.klank.school">calendar</a></p>
+      <p><a href="http://calendar.klank.school">calendar</a></p>
       <p><a href="https://funk.klank.school">funkwhale</a></p>
     </div>
     </body>