diff --git a/doc/src/sgml/protocol.sgml b/doc/src/sgml/protocol.sgml
index e3d636d557..220a197286 100644
--- a/doc/src/sgml/protocol.sgml
+++ b/doc/src/sgml/protocol.sgml
@@ -1039,7 +1039,7 @@
executes a START_REPLICATION statement. The
backend sends a CopyBothResponse message to the frontend. Both
the backend and the frontend may then send CopyData messages
- until the connection is terminated. See see .