diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index bc7809544e7..e04064ac6a1 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1470,7 +1470,7 @@ the password is in.
 </step>
 </procedure>
 </sect2>
-
+</sect1>
 
 <sect1 id="protocol-replication">
 <title>Streaming Replication Protocol</title>