diff --git a/src/reference/docbook/message-publishing.xml b/src/reference/docbook/message-publishing.xml
index 9bb7a80689..d5faf89418 100644
--- a/src/reference/docbook/message-publishing.xml
+++ b/src/reference/docbook/message-publishing.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<appendix> xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="message-publishing"
+<appendix xmlns="http://docbook.org/ns/docbook" version="5.0" xml:id="message-publishing"
     xmlns:xlink="http://www.w3.org/1999/xlink">
   <title>Message Publishing</title>
   <para>