diff --git a/docs/src/docbkx/index.xml b/docs/src/docbkx/index.xml
index 4db7b62..2bcc0ca 100644
--- a/docs/src/docbkx/index.xml
+++ b/docs/src/docbkx/index.xml
@@ -27,6 +27,11 @@
         <surname>Piper</surname>
         <affiliation>BEA</affiliation>
       </author>
+        <author>
+            <firstname>Olaf</firstname>
+            <surname>Otto</surname>
+            <affiliation>Unic AG</affiliation>
+        </author>
     </authorgroup>