diff --git a/xep-0412.xml b/xep-0412.xml
index 228b628d..923b2450 100644
--- a/xep-0412.xml
+++ b/xep-0412.xml
@@ -53,7 +53,18 @@
     </supersedes>
     <supersededby/>
     <shortname>CS2019</shortname>
-    &jonaswielicki;
+    <author>
+      <firstname>Georg</firstname>
+      <surname>Lukas</surname>
+      <email>georg@op-co.de</email>
+      <jid>georg@yax.im</jid>
+    </author>
+    <revision>
+      <version>0.5.0</version>
+      <date>2019-03-25</date>
+      <initials>gl</initials>
+      <remark><ul><li>Taken over ownership.</li><li>Improved structure of category and level names.</li><li>Added XEP-0313 and XEP-0412 to 'Advanced Group Chat'</li></ul></remark>
+    </revision>
     <revision>
       <version>0.4.0</version>
       <date>2019-01-13</date>
@@ -414,7 +425,7 @@
   <p>
     The author would like to thank Guus der Kinderen, Dele Olajide, Marc
     Laporte, Dave Cridland, Daniel Gultsch, Florian Schmaus, Tobias Markmann,
-    and Georg Lukas for their suggestions.
+    and Jonas Schäfer for their suggestions.
   </p>
 </section1>
 </xep>