doc: add missing sect1 close tag

Fixes commit 4f3b87ab780b95c2cc8a591259baefaff4852037

diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index bc7809544e70942bce548ec43dc73b34eec8ce3e..e04064ac6a11a4235761ad8c2bd2e1e219344151 100644 (file)
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1470,7 +1470,7 @@ the password is in.
 
 
 
-
+
 
 
 Streaming Replication Protocol