diff --git a/content/events.xml b/content/events.xml
index 9247ec9ea..ade8a2c02 100644
--- a/content/events.xml
+++ b/content/events.xml
@@ -9558,6 +9558,6 @@
     <start>2023-01-21T13:00:00</start>
     <end>2023-01-21T23:59:59</end>
     <location><link href="http://www.c3d2.de/space.html">HQ</link>, /proc, Zentralwerk, Riesaer Straße 32, 01127 Dresden</location>
-    <link>https://www.wikidata.org/wiki/Wikidata:Tenth_Birthday/C3D2_celebrates_Wikidata</link
+    <link>https://www.wikidata.org/wiki/Wikidata:Tenth_Birthday/C3D2_celebrates_Wikidata</link>
   </event>
 </calendar>